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875507 Commits (ccbc5d03c2bd83a07be78351571483bc22c0c63e)

Author SHA1 Message Date
Justin Tee ccbc5d03c2 block: fix memleak of bio integrity data
[ Upstream commit ece841abbe ]

7c20f11680 ("bio-integrity: stop abusing bi_end_io") moves
bio_integrity_free from bio_uninit() to bio_integrity_verify_fn()
and bio_endio(). This way looks wrong because bio may be freed
without calling bio_endio(), for example, blk_rq_unprep_clone() is
called from dm_mq_queue_rq() when the underlying queue of dm-mpath
is busy.

So memory leak of bio integrity data is caused by commit 7c20f11680.

Fixes this issue by re-adding bio_integrity_free() to bio_uninit().

Fixes: 7c20f11680 ("bio-integrity: stop abusing bi_end_io")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by Justin Tee <justin.tee@broadcom.com>

Add commit log, and simplify/fix the original patch wroten by Justin.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:09 +01:00
Wen Yang 022321aa79 platform/chrome: wilco_ec: fix use after free issue
[ Upstream commit 856a0a6e2d ]

This is caused by dereferencing 'dev_data' after put_device() in
the telem_device_remove() function.
This patch just moves the put_device() down a bit to avoid this
issue.

Fixes: 1210d1e6ba ("platform/chrome: wilco_ec: Add telemetry char device interface")
Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Cc: Benson Leung <bleung@chromium.org>
Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Nick Crews <ncrews@chromium.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Toke Høiland-Jørgensen 074fd02d45 xdp: Fix cleanup on map free for devmap_hash map type
[ Upstream commit 071cdecec5 ]

Tetsuo pointed out that it was not only the device unregister hook that was
broken for devmap_hash types, it was also cleanup on map free. So better
fix this as well.

While we're at it, there's no reason to allocate the netdev_map array for
DEVMAP_HASH, so skip that and adjust the cost accordingly.

Fixes: 6f9d451ab1 ("xdp: Add devmap_hash map type for looking up devices by hashed index")
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20191121133612.430414-1-toke@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Sam Bobroff 62ac16b0de drm/radeon: fix bad DMA from INTERRUPT_CNTL2
[ Upstream commit 62d91dd285 ]

The INTERRUPT_CNTL2 register expects a valid DMA address, but is
currently set with a GPU MC address.  This can cause problems on
systems that detect the resulting DMA read from an invalid address
(found on a Power8 guest).

Instead, use the DMA address of the dummy page because it will always
be safe.

Fixes: d8f60cfc93 ("drm/radeon/kms: Add support for interrupts on r6xx/r7xx chips (v3)")
Fixes: 25a857fbe9 ("drm/radeon/kms: add support for interrupts on SI")
Fixes: a59781bbe5 ("drm/radeon: add support for interrupts on CIK (v5)")
Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Chuhong Yuan ca4c17f210 dmaengine: ti: edma: fix missed failure handling
[ Upstream commit 340049d453 ]

When devm_kcalloc fails, it forgets to call edma_free_slot.
Replace direct return with failure handler to fix it.

Fixes: 1be5336bc7 ("dmaengine: edma: New device tree binding")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Link: https://lore.kernel.org/r/20191118073802.28424-1-hslester96@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
zhengbin c1b9854f3e afs: Remove set but not used variables 'before', 'after'
[ Upstream commit 51590df4f3 ]

Fixes gcc '-Wunused-but-set-variable' warning:

fs/afs/dir_edit.c: In function afs_set_contig_bits:
fs/afs/dir_edit.c:75:20: warning: variable after set but not used [-Wunused-but-set-variable]
fs/afs/dir_edit.c: In function afs_set_contig_bits:
fs/afs/dir_edit.c:75:12: warning: variable before set but not used [-Wunused-but-set-variable]
fs/afs/dir_edit.c: In function afs_clear_contig_bits:
fs/afs/dir_edit.c💯20: warning: variable after set but not used [-Wunused-but-set-variable]
fs/afs/dir_edit.c: In function afs_clear_contig_bits:
fs/afs/dir_edit.c💯12: warning: variable before set but not used [-Wunused-but-set-variable]

They are never used since commit 63a4681ff3.

Fixes: 63a4681ff3 ("afs: Locally edit directory data for mkdir/create/unlink/...")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Christoph Hellwig b8444fa88d dma-direct: don't check swiotlb=force in dma_direct_map_resource
[ Upstream commit 4268ac6ae5 ]

When mapping resources we can't just use swiotlb ram for bounce
buffering.  Switch to a direct dma_capable check instead.

Fixes: cfced78696 ("dma-mapping: remove the default map_resource implementation")
Reported-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Lorenzo Bianconi 0812e7de49 mt76: mt76u: rely on usb_interface instead of usb_dev
[ Upstream commit 80df01f4dc ]

usb drivers are supposed to communicate using usb_interface instead
mt76x{0,2}u is now registering through usb_device. Fix it by passing
usb_intf device to mt76_alloc_device routine.

Fixes: 112f980ac8 ("mt76usb: use usb_dev private data")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Tested-By: Zero_Chaos <sidhayn@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Vincent Guittot 0e9619ff10 sched/cpufreq: Move the cfs_rq_util_change() call to cpufreq_update_util()
[ Upstream commit bef69dd878 ]

update_cfs_rq_load_avg() calls cfs_rq_util_change() every time PELT decays,
which might be inefficient when the cpufreq driver has rate limitation.

When a task is attached on a CPU, we have this call path:

update_load_avg()
  update_cfs_rq_load_avg()
    cfs_rq_util_change -- > trig frequency update
  attach_entity_load_avg()
    cfs_rq_util_change -- > trig frequency update

The 1st frequency update will not take into account the utilization of the
newly attached task and the 2nd one might be discarded because of rate
limitation of the cpufreq driver.

update_cfs_rq_load_avg() is only called by update_blocked_averages()
and update_load_avg() so we can move the call to
cfs_rq_util_change/cpufreq_update_util() into these two functions.

It's also interesting to note that update_load_avg() already calls
cfs_rq_util_change() directly for the !SMP case.

This change will also ensure that cpufreq_update_util() is called even
when there is no more CFS rq in the leaf_cfs_rq_list to update, but only
IRQ, RT or DL PELT signals.

[ mingo: Minor updates. ]

Reported-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: juri.lelli@redhat.com
Cc: linux-pm@vger.kernel.org
Cc: mgorman@suse.de
Cc: rostedt@goodmis.org
Cc: sargun@sargun.me
Cc: srinivas.pandruvada@linux.intel.com
Cc: tj@kernel.org
Cc: xiexiuqi@huawei.com
Cc: xiezhipeng1@huawei.com
Fixes: 039ae8bcf7 ("sched/fair: Fix O(nr_cgroups) in the load balancing path")
Link: https://lkml.kernel.org/r/1574083279-799-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:08 +01:00
Chuck Lever e0e2379bfc SUNRPC: Fix another issue with MIC buffer space
[ Upstream commit e8d70b321e ]

xdr_shrink_pagelen() BUG's when @len is larger than buf->page_len.
This can happen when xdr_buf_read_mic() is given an xdr_buf with
a small page array (like, only a few bytes).

Instead, just cap the number of bytes that xdr_shrink_pagelen()
will move.

Fixes: 5f1bc39979 ("SUNRPC: Fix buffer handling of GSS MIC ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Sebastian Andrzej Siewior 16128944c9 workqueue: Add RCU annotation for pwq list walk
[ Upstream commit 49e9d1a9fa ]

An additional check has been recently added to ensure that a RCU related lock
is held while the RCU list is iterated.
The `pwqs' are sometimes iterated without a RCU lock but with the &wq->mutex
acquired leading to a warning.

Teach list_for_each_entry_rcu() that the RCU usage is okay if &wq->mutex
is acquired during the list traversal.

Fixes: 28875945ba ("rcu: Add support for consolidated-RCU reader checking")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Jens Wiklander b30a9b012a tee: optee: fix device enumeration error handling
[ Upstream commit 03212e347f ]

Prior to this patch in optee_probe() when optee_enumerate_devices() was
called the struct optee was fully initialized. If
optee_enumerate_devices() returns an error optee_probe() is supposed to
clean up and free the struct optee completely, but will at this late
stage need to call optee_remove() instead. This isn't done and thus
freeing the struct optee prematurely.

With this patch the call to optee_enumerate_devices() is done after
optee_probe() has returned successfully and in case
optee_enumerate_devices() fails everything is cleaned up with a call to
optee_remove().

Fixes: c3fa24af92 ("tee: optee: add TEE bus device enumeration support")
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Sumit Garg 5c179c003b tee: optee: Fix dynamic shm pool allocations
[ Upstream commit a249dd200d ]

In case of dynamic shared memory pool, kernel memory allocated using
dmabuf_mgr pool needs to be registered with OP-TEE prior to its usage
during optee_open_session() or optee_invoke_func().

So fix dmabuf_mgr pool allocations via an additional call to
optee_shm_register().

Also, allow kernel pages to be registered as shared memory with OP-TEE.

Fixes: 9733b072a1 ("optee: allow to work without static shared memory")
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
H. Nikolaus Schaller 2eb4d745cf mmc: core: fix wl1251 sdio quirks
[ Upstream commit 16568b4a4f ]

wl1251 and wl1271 have different vendor id and device id.
So we need to handle both with sdio quirks.

Fixes: 884f386078 ("mmc: core: move some sdio IDs out of quirks file")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
H. Nikolaus Schaller f8afdceb9f mmc: sdio: fix wl1251 vendor id
[ Upstream commit e5db673e7f ]

v4.11-rc1 did introduce a patch series that rearranged the
sdio quirks into a header file. Unfortunately this did forget
to handle SDIO_VENDOR_ID_TI differently between wl1251 and
wl1271 with the result that although the wl1251 was found on
the sdio bus, the firmware did not load any more and there was
no interface registration.

This patch defines separate constants to be used by sdio quirks
and drivers.

Fixes: 884f386078 ("mmc: core: move some sdio IDs out of quirks file")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Sudeep Holla 8b8b5f9a7b firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
[ Upstream commit 7bd39bc6bf ]

The logic to ring the scmi performance fastchannel ignores the
value read from the doorbell register in case of !CONFIG_64BIT.
This bug also shows up as warning with '-Wunused-but-set-variable' gcc
flag:

drivers/firmware/arm_scmi/perf.c: In function scmi_perf_fc_ring_db:
drivers/firmware/arm_scmi/perf.c:323:7: warning: variable val set but
			not used [-Wunused-but-set-variable]

Fix the same by aligning the logic with CONFIG_64BIT as used in the
macro SCMI_PERF_FC_RING_DB().

Fixes: 823839571d ("firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Hewenliang 83ff921a5e kselftests: cgroup: Avoid the reuse of fd after it is deallocated
[ Upstream commit d671fa6393 ]

It is necessary to set fd to -1 when inotify_add_watch() fails in
cg_prepare_for_wait. Otherwise the fd which has been closed in
cg_prepare_for_wait may be misused in other functions such as
cg_enter_and_wait_for_frozen and cg_freeze_wait.

Fixes: 5313bfe425 ("selftests: cgroup: add freezer controller self-tests")
Signed-off-by: Hewenliang <hewenliang4@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:07 +01:00
Alain Volmat c570172d62 i2c: stm32f7: report dma error during probe
[ Upstream commit d77eceb2de ]

Distinguish between the case where dma information is not provided
within the DT and the case of an error during the dma init.
Exit the probe with error in case of an error during dma init.

Fixes: bb8822cbbc ("i2c: i2c-stm32: Add generic DMA API")
Signed-off-by: Alain Volmat <alain.volmat@st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Eric Dumazet f6d362634e packet: fix data-race in fanout_flow_is_huge()
[ Upstream commit b756ad928d ]

KCSAN reported the following data-race [1]

Adding a couple of READ_ONCE()/WRITE_ONCE() should silence it.

Since the report hinted about multiple cpus using the history
concurrently, I added a test avoiding writing on it if the
victim slot already contains the desired value.

[1]

BUG: KCSAN: data-race in fanout_demux_rollover / fanout_demux_rollover

read to 0xffff8880b01786cc of 4 bytes by task 18921 on cpu 1:
 fanout_flow_is_huge net/packet/af_packet.c:1303 [inline]
 fanout_demux_rollover+0x33e/0x3f0 net/packet/af_packet.c:1353
 packet_rcv_fanout+0x34e/0x490 net/packet/af_packet.c:1453
 deliver_skb net/core/dev.c:1888 [inline]
 dev_queue_xmit_nit+0x15b/0x540 net/core/dev.c:1958
 xmit_one net/core/dev.c:3195 [inline]
 dev_hard_start_xmit+0x3f5/0x430 net/core/dev.c:3215
 __dev_queue_xmit+0x14ab/0x1b40 net/core/dev.c:3792
 dev_queue_xmit+0x21/0x30 net/core/dev.c:3825
 neigh_direct_output+0x1f/0x30 net/core/neighbour.c:1530
 neigh_output include/net/neighbour.h:511 [inline]
 ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116
 __ip6_finish_output net/ipv6/ip6_output.c:142 [inline]
 __ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127
 ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175
 dst_output include/net/dst.h:436 [inline]
 ip6_local_out+0x74/0x90 net/ipv6/output_core.c:179
 ip6_send_skb+0x53/0x110 net/ipv6/ip6_output.c:1795
 udp_v6_send_skb.isra.0+0x3ec/0xa70 net/ipv6/udp.c:1173
 udpv6_sendmsg+0x1906/0x1c20 net/ipv6/udp.c:1471
 inet6_sendmsg+0x6d/0x90 net/ipv6/af_inet6.c:576
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0x9f/0xc0 net/socket.c:657
 ___sys_sendmsg+0x2b7/0x5d0 net/socket.c:2311
 __sys_sendmmsg+0x123/0x350 net/socket.c:2413
 __do_sys_sendmmsg net/socket.c:2442 [inline]
 __se_sys_sendmmsg net/socket.c:2439 [inline]
 __x64_sys_sendmmsg+0x64/0x80 net/socket.c:2439
 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffff8880b01786cc of 4 bytes by task 18922 on cpu 0:
 fanout_flow_is_huge net/packet/af_packet.c:1306 [inline]
 fanout_demux_rollover+0x3a4/0x3f0 net/packet/af_packet.c:1353
 packet_rcv_fanout+0x34e/0x490 net/packet/af_packet.c:1453
 deliver_skb net/core/dev.c:1888 [inline]
 dev_queue_xmit_nit+0x15b/0x540 net/core/dev.c:1958
 xmit_one net/core/dev.c:3195 [inline]
 dev_hard_start_xmit+0x3f5/0x430 net/core/dev.c:3215
 __dev_queue_xmit+0x14ab/0x1b40 net/core/dev.c:3792
 dev_queue_xmit+0x21/0x30 net/core/dev.c:3825
 neigh_direct_output+0x1f/0x30 net/core/neighbour.c:1530
 neigh_output include/net/neighbour.h:511 [inline]
 ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116
 __ip6_finish_output net/ipv6/ip6_output.c:142 [inline]
 __ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127
 ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175
 dst_output include/net/dst.h:436 [inline]
 ip6_local_out+0x74/0x90 net/ipv6/output_core.c:179
 ip6_send_skb+0x53/0x110 net/ipv6/ip6_output.c:1795
 udp_v6_send_skb.isra.0+0x3ec/0xa70 net/ipv6/udp.c:1173
 udpv6_sendmsg+0x1906/0x1c20 net/ipv6/udp.c:1471
 inet6_sendmsg+0x6d/0x90 net/ipv6/af_inet6.c:576
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0x9f/0xc0 net/socket.c:657
 ___sys_sendmsg+0x2b7/0x5d0 net/socket.c:2311
 __sys_sendmmsg+0x123/0x350 net/socket.c:2413
 __do_sys_sendmmsg net/socket.c:2442 [inline]
 __se_sys_sendmmsg net/socket.c:2439 [inline]
 __x64_sys_sendmmsg+0x64/0x80 net/socket.c:2439
 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 18922 Comm: syz-executor.3 Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011

Fixes: 3b3a5b0aab ("packet: rollover huge flows before small flows")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Colin Ian King f3cf5124e2 rtc: bd70528: fix module alias to autoload module
[ Upstream commit afe19a7ae8 ]

The module alias platform tag contains a spelling mistake. Fix it.

Fixes: f33506abbcdd ("rtc: bd70528: Add MODULE ALIAS to autoload module")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20191106083418.159045-1-colin.king@canonical.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Kees Cook 7bd74545fa selftests: gen_kselftest_tar.sh: Do not clobber kselftest/
[ Upstream commit ea1bf0bb18 ]

The default installation location for gen_kselftest_tar.sh was still
"kselftest/" which collides with the existing directory. Instead, this
moves the installation target into "kselftest_install/kselftest/" and
adjusts the tar creation accordingly. This also adjusts indentation and
logic to be consistent.

Fixes: 42d46e57ec ("selftests: Extract single-test shell logic from lib.mk")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Wei Yongjun e9870cdb68 net: axienet: Fix error return code in axienet_probe()
[ Upstream commit eb34e98baf ]

In the DMA memory resource get failed case, the error is not
set and 0 will be returned. Fix it by removing redundant check
since devm_ioremap_resource() will handle it.

Fixes: 28ef9ebdb6 ("net: axienet: make use of axistream-connected attribute optional")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Eric Dumazet e9a6f09fc2 net: neigh: use long type to store jiffies delta
[ Upstream commit 9d027e3a83 ]

A difference of two unsigned long needs long storage.

Fixes: c7fb64db00 ("[NETLINK]: Neighbour table configuration and statistics via rtnetlink")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Daniel Golle ab269ffa5a rt2800: remove errornous duplicate condition
[ Upstream commit a1f7c2cabf ]

On 2019-10-28 06:07, wbob wrote:
> Hello Roman,
>
> while reading around drivers/net/wireless/ralink/rt2x00/rt2800lib.c
> I stumbled on what I think is an edit of yours made in error in march
> 2017:
>
> https://github.com/torvalds/linux/commit/41977e86#diff-dae5dc10da180f3b055809a48118e18aR5281
>
> RT6352 in line 5281 should not have been introduced as the "else if"
> below line 5291 can then not take effect for a RT6352 device. Another
> possibility is for line 5291 to be not for RT6352, but this seems
> very unlikely. Are you able to clarify still after this substantial time?
>
> 5277: static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
> ...
> 5279:  } else if (rt2x00_rt(rt2x00dev, RT5390) ||
> 5280:         rt2x00_rt(rt2x00dev, RT5392) ||
> 5281:         rt2x00_rt(rt2x00dev, RT6352)) {
> ...
> 5291:  } else if (rt2x00_rt(rt2x00dev, RT6352)) {
> ...

Hence remove errornous line 5281 to make the driver actually
execute the correct initialization routine for MT7620 chips.

As it was requested by Stanislaw Gruszka remove setting values of
MIMO_PS_CFG and TX_PIN_CFG. MIMO_PS_CFG is responsible for MIMO
power-safe mode (which is disabled), hence we can drop setting it.
TX_PIN_CFG is set correctly in other functions, and as setting this
value breaks some devices, rather don't set it here during init, but
only modify it later on.

Fixes: 41977e86c9 ("rt2x00: add support for MT7620")
Reported-by: wbob <wbob@jify.de>
Reported-by: Roman Yeryomin <roman@advem.lv>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Stephen Hemminger ca52b5cd5d hv_netvsc: flag software created hash value
[ Upstream commit df9f540ca7 ]

When the driver needs to create a hash value because it
was not done at higher level, then the hash should be marked
as a software not hardware hash.

Fixes: f72860afa2 ("hv_netvsc: Exclude non-TCP port numbers from vRSS hashing")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:06 +01:00
Tonghao Zhang 79310c41b0 net: openvswitch: don't unlock mutex when changing the user_features fails
[ Upstream commit 4c76bf696a ]

Unlocking of a not locked mutex is not allowed.
Other kernel thread may be in critical section while
we unlock it because of setting user_feature fail.

Fixes: 95a7233c4 ("net: openvswitch: Set OvS recirc_id from tc chain index")
Cc: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: William Tu <u9012063@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Bean Huo 7c3327816d scsi: ufs: delete redundant function ufshcd_def_desc_sizes()
[ Upstream commit 059efd847a ]

There is no need to call ufshcd_def_desc_sizes() in ufshcd_init(), since
descriptor lengths will be checked and initialized later in
ufshcd_init_desc_sizes().

Fixes: a4b0e8a4e92b1b(scsi: ufs: Factor out ufshcd_read_desc_param)
Link: https://lore.kernel.org/r/BN7PR08MB5684A3ACE214C3D4792CE729DB610@BN7PR08MB5684.namprd08.prod.outlook.com
Signed-off-by: Bean Huo <beanhuo@micron.com>
Acked-by: Avri Altman <avri.altman.wdc.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Madalin Bucur 7139477433 dpaa_eth: avoid timestamp read on error paths
[ Upstream commit 9a4f4f3a89 ]

The dpaa_cleanup_tx_fd() function is called by the frame transmit
confirmation callback but also on several error paths. This function
is reading the transmit timestamp value. Avoid reading an invalid
timestamp value on the error paths.

Fixes: 4664856e9c ("dpaa_eth: add support for hardware timestamping")
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Madalin Bucur 54c45b818a dpaa_eth: perform DMA unmapping before read
[ Upstream commit c70fd3182c ]

DMA unmapping is required before accessing the HW provided timestamping
information.

Fixes: 4664856e9c ("dpaa_eth: add support for hardware timestamping")
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Dan Carpenter e4e32af72d rcu: Fix uninitialized variable in nocb_gp_wait()
[ Upstream commit b8889c9c89 ]

We never set this to false.  This probably doesn't affect most people's
runtime because GCC will automatically initialize it to false at certain
common optimization levels.  But that behavior is related to a bug in
GCC and obviously should not be relied on.

Fixes: 5d6742b377 ("rcu/nocb: Use rcu_segcblist for no-CBs CPUs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Andrii Nakryiko 220ba32086 libbpf: Don't use kernel-side u32 type in xsk.c
[ Upstream commit a566e35f1e ]

u32 is a kernel-side typedef. User-space library is supposed to use __u32.
This breaks Github's projection of libbpf. Do u32 -> __u32 fix.

Fixes: 94ff9ebb49 ("libbpf: Fix compatibility for kernels without need_wakeup")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Cc: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20191029055953.2461336-1-andriin@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Daniel Baluta bd9d813ca8 firmware: imx: Remove call to devm_of_platform_populate
[ Upstream commit 0e4e8cc30a ]

IMX DSP device is created by SOF layer. The current call to
devm_of_platform_populate is not needed and it doesn't produce
any effects.

Fixes: ffbf23d503 ("firmware: imx: Add DSP IPC protocol interface)
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Matti Vaittinen 16232b0395 power: supply: bd70528: Add MODULE_ALIAS to allow module auto loading
[ Upstream commit 9480029fe5 ]

The bd70528 charger driver is probed by MFD driver. Add MODULE_ALIAS
in order to allow udev to load the module when MFD sub-device cell for
charger is added.

Fixes: f8c7f7ddd8 ("power: supply: Initial support for ROHM BD70528 PMIC charger block")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Dan Carpenter bdfb7621c4 drm/amdgpu/vi: silence an uninitialized variable warning
[ Upstream commit 4ff17a1df7 ]

Smatch complains that we need to initialized "*cap" otherwise it can
lead to an uninitialized variable bug in the caller.  This seems like a
reasonable warning and it doesn't hurt to silence it at least.

drivers/gpu/drm/amd/amdgpu/vi.c:767 vi_asic_reset_method() error: uninitialized symbol 'baco_reset'.

Fixes: 425db2553e ("drm/amdgpu: expose BACO interfaces to upper level from PP")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Matti Vaittinen b6cb98e60d regulator: bd70528: Add MODULE_ALIAS to allow module auto loading
[ Upstream commit 55d5f62c3f ]

The bd70528 regulator driver is probed by MFD driver. Add MODULE_ALIAS
in order to allow udev to load the module when MFD sub-device cell for
regulators is added.

Fixes: 99ea37bd1e ("regulator: bd70528: Support ROHM BD70528 regulator block")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/20191023121452.GA1812@localhost.localdomain
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:05 +01:00
Ondrej Jirman e70290bb1f pwm: sun4i: Fix incorrect calculation of duty_cycle/period
[ Upstream commit 50cc7e3e4f ]

Since 5.4-rc1, pwm_apply_state calls ->get_state after ->apply
if available, and this revealed an issue with integer precision
when calculating duty_cycle and period for the currently set
state in ->get_state callback.

This issue manifested in broken backlight on several Allwinner
based devices.

Previously this worked, because ->apply updated the passed state
directly.

Fixes: deb9c462f4 ("pwm: sun4i: Don't update the state for the caller of pwm_apply_state")
Signed-off-by: Ondrej Jirman <megous@megous.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Andy Shevchenko aff509a3a1 ACPI: platform: Unregister stale platform devices
[ Upstream commit cb0701acfa ]

When commit 68bdb67732 ("ACPI: add support for ACPI reconfiguration
notifiers") introduced reconfiguration notifiers, it missed the point
that the ACPI table, which might be loaded and then unloaded via
ConfigFS, could contain devices that were not enumerated by their
parents.

In such cases, the stale platform device is dangling in the system
while the rest of the devices from the same table are already gone.

Introduce acpi_platform_device_remove_notify() notifier that, in
similar way to I²C or SPI buses, unregisters the platform devices
on table removal event.

Fixes: 68bdb67732 ("ACPI: add support for ACPI reconfiguration notifiers")
Depends-on: 00500147cb ("drivers: Introduce device lookup variants by ACPI_COMPANION device")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog & function rename ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Ilias Apalodimas c99f4a8c66 net: netsec: Correct dma sync for XDP_TX frames
[ Upstream commit d9496f3ecf ]

bpf_xdp_adjust_head() can change the frame boundaries. Account for the
potential shift properly by calculating the new offset before
syncing the buffer to the device for XDP_TX

Fixes: ba2b232108 ("net: netsec: add XDP support")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Geert Uytterhoeven 238ca6417e drm: rcar_lvds: Fix color mismatches on R-Car H2 ES2.0 and later
[ Upstream commit 3986457110 ]

Commit 5cca30ebe0 ("drm/rcar-du: Add LVDS_LANES quirk") states
that LVDS lanes 1 and 3 are inverted on R-Car H2 ES1 only, and that the
problem has been fixed in newer revisions.

However, the code didn't take into account the actual hardware revision,
thus applying the quirk also on newer hardware revisions, causing green
color reversals.

Fix this by applying the quirk when running on R-Car H2 ES1.x only.

Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Fixes: 5cca30ebe0 ("drm/rcar-du: Add LVDS_LANES quirk")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Kefeng Wang 1865d6440f PCI: mobiveil: Fix csr_read()/write() build issue
[ Upstream commit 4906c05b87 ]

RISCV has csr_read()/write() macros in arch/riscv/include/asm/csr.h.

The same function naming is used in the PCI mobiveil driver thus
causing build error.

Rename csr_[read,write][l,] to mobiveil_csr_read()/write() to fix it.

drivers/pci/controller/pcie-mobiveil.c:238:69: error: macro "csr_read" passed 3 arguments, but takes just 1
 static u32 csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)

drivers/pci/controller/pcie-mobiveil.c:253:80: error: macro "csr_write" passed 4 arguments, but takes just 2
 static void csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off, size_t size)

Fixes: bcbe0d9a8d ("PCI: mobiveil: Unify register accessors")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Minghuan Lian <Minghuan.Lian@nxp.com>
Cc: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Cc: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Sakari Ailus 3da105401e software node: Get reference to parent swnode in get_parent op
[ Upstream commit 51c100a651 ]

The software_node_get_parent() returned a pointer to the parent swnode,
but did not take a reference to it, leading the caller to put a reference
that was not taken. Take that reference now.

Fixes: 59abd83672 ("drivers: base: Introducing software nodes to the firmware node framework")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Douglas Anderson 3a77d9e207 drm/rockchip: Round up _before_ giving to the clock framework
[ Upstream commit 287422a95f ]

I'm embarassed to say that even though I've touched
vop_crtc_mode_fixup() twice and I swear I tested it, there's still a
stupid glaring bug in it.  Specifically, on veyron_minnie (with all
the latest display timings) we want to be setting our pixel clock to
66,666,666.67 Hz and we tell userspace that's what we set, but we're
actually choosing 66,000,000 Hz.  This is confirmed by looking at the
clock tree.

The problem is that in drm_display_mode_from_videomode() we convert
from Hz to kHz with:

  dmode->clock = vm->pixelclock / 1000;

...and drm_display_mode_from_videomode() is called from panel-simple
when we have an "override_mode" like we do on veyron_minnie.  See
commit 123643e5c4 ("ARM: dts: rockchip: Specify
rk3288-veyron-minnie's display timings").

...so when the device tree specifies a clock of 66666667 for the panel
then DRM translates that to 66666000.  The clock framework will always
pick a clock that is _lower_ than the one requested, so it will refuse
to pick 66666667 and we'll end up at 66000000.

While we could try to fix drm_display_mode_from_videomode() to round
to the nearest kHz and it would fix our problem, it wouldn't help if
the clock we actually needed was 60,000,001 Hz.  We could
alternatively have DRM always round up, but maybe this would break
someone else who already baked in the assumption that DRM rounds down.
Specifically note that clock drivers are not consistent about whether
they round up or round down when you call clk_set_rate().  We know how
Rockchip's clock driver works, but (for instance) you can see that on
most Qualcomm clocks the default is clk_rcg2_ops which rounds up.

Let's solve this by just adding 999 Hz before calling
clk_round_rate().  This should be safe and work everywhere.  As
discussed in more detail in comments in the commit, Rockchip's PLLs
are configured in a way that there shouldn't be another PLL setting
that is only a few kHz off so we won't get mixed up.

NOTE: if this is picked to stable, it's probably easiest to first pick
commit 527e4ca3b6 ("drm/rockchip: Base adjustments of the mode based
on prev adjustments") which shouldn't hurt in stable.

Fixes: b59b8de314 ("drm/rockchip: return a true clock rate to adjusted_mode")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191003114726.v2.1.Ib233b3e706cf6317858384264d5b0ed35657456e@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Ioana Radulescu 66f0a21ad0 dpaa2-eth: Fix minor bug in ethtool stats reporting
[ Upstream commit 4b177f065e ]

Don't print error message for a successful return value.

Fixes: d84c3a4ded ("dpaa2-eth: Add new DPNI statistics counters")

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:04 +01:00
Tony Lindgren 9af27538c5 hwrng: omap3-rom - Fix missing clock by probing with device tree
[ Upstream commit 0c0ef9ea6f ]

Commit 0ed266d7ae ("clk: ti: omap3: cleanup unnecessary clock aliases")
removed old omap3 clock framework aliases but caused omap3-rom-rng to
stop working with clock not found error.

Based on discussions on the mailing list it was requested by Tero Kristo
that it would be best to fix this issue by probing omap3-rom-rng using
device tree to provide a proper clk property. The other option would be
to add back the missing clock alias, but that does not help moving things
forward with removing old legacy platform_data.

Let's also add a proper device tree binding and keep it together with
the fix.

Cc: devicetree@vger.kernel.org
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Adam Ford <aford173@gmail.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes: 0ed266d7ae ("clk: ti: omap3: cleanup unnecessary clock aliases")
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:03 +01:00
yu kuai 6bdbfb6e7e drm/amdgpu: remove excess function parameter description
[ Upstream commit d0580c09c6 ]

Fixes gcc warning:

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c:431: warning: Excess function
parameter 'sw' description in 'vcn_v2_5_disable_clock_gating'
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c:550: warning: Excess function
parameter 'sw' description in 'vcn_v2_5_enable_clock_gating'

Fixes: cbead2bdfc ("drm/amdgpu: add VCN2.5 VCPU start and stop")
Signed-off-by: yu kuai <yukuai3@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:03 +01:00
Dan Carpenter d500cbaf0c drm: panel-lvds: Potential Oops in probe error handling
[ Upstream commit fb2ee9bf08 ]

The "lvds->backlight" pointer could be NULL in situations where
of_parse_phandle() returns NULL.  This code is cleaner if we use the
managed devm_of_find_backlight() so the clean up is automatic.

Fixes: 7c9dff5bd6 ("drm: panels: Add LVDS panel driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911104928.GA15930@mwanda
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:03 +01:00
Steven Price 9bd9e94fb9 drm/panfrost: Add missing check for pfdev->regulator
[ Upstream commit 52282163df ]

When modifying panfrost_devfreq_target() to support a device without a
regulator defined I missed the check on the error path. Let's add it.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e21dd29088 ("drm/panfrost: Enable devfreq to work without regulator")
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190822093218.26014-1-steven.price@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-26 10:01:03 +01:00
Ping-Ke Shih f88ed5cf0d rtw88: fix error handling when setup efuse info
commit f4268729eb upstream.

Disable efuse if the efuse is enabled when we failed to setup the efuse
information, otherwise the hardware will not turn off.

Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-26 10:01:03 +01:00
Yan-Hsuan Chuang 6b6d5f5338 rtw88: fix beaconing mode rsvd_page memory violation issue
commit c3594559f4 upstream.

When downloading the reserved page, the first page always contains
a beacon for the firmware to reference. For non-beaconing modes such
as station mode, also put a blank skb with length=1.

And for the beaconing modes, driver will get a real beacon with a
length approximate to the page size. But as the beacon is always put
at the first page, it does not need a tx_desc, because the TX path
will generate one when TXing the reserved page to the hardware. So we
could allocate a buffer with a size smaller than the reserved page,
when using memcpy() to copy the content of reserved page to the buffer,
the over-sized reserved page will violate the kernel memory.

To fix it, add the tx_desc before memcpy() the reserved packets to
the buffer, then we can get SKBs with correct length when counting
the pages in total. And for page 0, count the extra tx_desc_sz that
the TX path will generate. This way, the first beacon that allocated
without tx_desc can be counted with the extra tx_desc_sz to get
actual pages it requires.

Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-26 10:01:03 +01:00
Andy Shevchenko ddb46d9a90 gpiolib: No need to call gpiochip_remove_pin_ranges() twice
commit 2f4133bb5f upstream.

of_gpiochip_add(), when fails, calls gpiochip_remove_pin_ranges().

ADD:
  gpiochip_add_data_with_key() ->
    of_gpiochip_add() -> (ERROR path)
      gpiochip_remove_pin_ranges()

At the same time of_gpiochip_remove() calls exactly the above mentioned
function unconditionally and so does gpiochip_remove().

REMOVE:
  gpiochip_remove() ->
    gpiochip_remove_pin_ranges()
    of_gpiochip_remove() ->
      gpiochip_remove_pin_ranges()

Since gpiochip_remove() calls gpiochip_remove_pin_ranges() unconditionally,
we have duplicate call to the same function when it's not necessary.

Move gpiochip_remove_pin_ranges() from of_gpiochip_add() to gpiochip_add()
to avoid duplicate calls and be consistent with the explicit call in
gpiochip_remove().

Fixes: e93fa3f243 ("gpiolib: remove duplicate pin range code")
Depends-on: f7299d441a ("gpio: of: Fix of_gpiochip_add() error path")
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-26 10:01:03 +01:00