Chao Bi accb884b32 mei: set client's read_cb to NULL when flow control fails ... In mei_cl_read_start(), if it fails to send flow control request, it will release "cl->read_cb" but forget to set pointer to NULL, leaving "cl->read_cb" still pointing to random memory, next time this client is operated like mei_release(), it has chance to refer to this wrong pointer. Fixes: PANIC at kfree in mei_release() [228781.826904] Call Trace: [228781.829737] [<c16249b8>] ? mei_cl_unlink+0x48/0xa0 [228781.835283] [<c1624487>] mei_io_cb_free+0x17/0x30 [228781.840733] [<c16265d8>] mei_release+0xa8/0x180 [228781.845989] [<c135c610>] ? __fsnotify_parent+0xa0/0xf0 [228781.851925] [<c1325a69>] __fput+0xd9/0x200 [228781.856696] [<c1325b9d>] ____fput+0xd/0x10 [228781.861467] [<c125cae1>] task_work_run+0x81/0xb0 [228781.866821] [<c1242e53>] do_exit+0x283/0xa00 [228781.871786] [<c1a82b36>] ? kprobe_flush_task+0x66/0xc0 [228781.877722] [<c124eeb8>] ? __dequeue_signal+0x18/0x1a0 [228781.883657] [<c124f072>] ? dequeue_signal+0x32/0x190 [228781.889397] [<c1243744>] do_group_exit+0x34/0xa0 [228781.894750] [<c12517b6>] get_signal_to_deliver+0x206/0x610 [228781.901075] [<c12018d8>] do_signal+0x38/0x100 [228781.906136] [<c1626d1c>] ? mei_read+0x42c/0x4e0 [228781.911393] [<c12600a0>] ? wake_up_bit+0x30/0x30 [228781.916745] [<c16268f0>] ? mei_poll+0x120/0x120 [228781.922001] [<c1324be9>] ? vfs_read+0x89/0x160 [228781.927158] [<c16268f0>] ? mei_poll+0x120/0x120 [228781.932414] [<c133ca34>] ? fget_light+0x44/0xe0 [228781.937670] [<c1324e58>] ? SyS_read+0x68/0x80 [228781.942730] [<c12019f5>] do_notify_resume+0x55/0x70 [228781.948376] [<c1a7de5d>] work_notifysig+0x29/0x30 [228781.953827] [<c1a70000>] ? bad_area+0x5/0x3e Cc: stable <stable@vger.kernel.org> # 3.9+ Signed-off-by: Chao Bi <chao.bi@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-02-18 10:07:36 -08:00
..
altera-stapl
c2port
carma	Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma	2013-11-20 13:20:24 -08:00
cb710
eeprom	Revert "misc: eeprom: sunxi: Add new compatibles"	2014-02-14 11:16:08 -08:00
genwqe	misc: genwqe: Fix potential memory leak when pinning memory	2014-02-07 15:24:31 -08:00
ibmasm
lis3lv02d
mei	mei: set client's read_cb to NULL when flow control fails	2014-02-18 10:07:36 -08:00
mic	misc: mic: fix possible signed underflow (undefined behavior) in userspace API	2014-02-07 15:30:34 -08:00
sgi-gru	drivers/misc/sgi-gru/grukdump.c: unlocking should be conditional in gru_dump_context()	2014-02-10 16:01:39 -08:00
sgi-xp	sgi-xp: open-code interruptible_sleep_on_timeout	2014-01-08 15:18:02 -08:00
ti-st	drivers/misc/ti-st: Prefer tty_driver_flush_buffer	2013-12-04 20:23:51 -08:00
vmw_vmci	VMCI: fix error handling path when registering guest driver	2014-01-09 16:16:15 -08:00
ad525x_dpot-i2c.c
ad525x_dpot-spi.c
ad525x_dpot.c	drivers: misc: Mark functions as static in ad525x_dpot.c	2013-12-18 16:41:52 -08:00
ad525x_dpot.h
apds990x.c
apds9802als.c
arm-charlcd.c
atmel-ssc.c
atmel_pwm.c	misc: atmel_pwm: add deferred-probing support	2013-10-29 16:22:57 -07:00
atmel_tclib.c
bh1770glc.c
bh1780gli.c
bmp085-i2c.c	misc: bmp085: Clean up and enable use of interrupt for completion.	2013-12-04 20:23:51 -08:00
bmp085-spi.c	misc: bmp085: Clean up and enable use of interrupt for completion.	2013-12-04 20:23:51 -08:00
bmp085.c	misc: bmp085: Clean up and enable use of interrupt for completion.	2013-12-04 20:23:51 -08:00
bmp085.h	misc: bmp085: Clean up and enable use of interrupt for completion.	2013-12-04 20:23:51 -08:00
cs5535-mfgpt.c
ds1682.c
dummy-irq.c
enclosure.c	[SCSI] enclosure: fix WARN_ON in dual path device removing	2013-12-02 11:13:14 -08:00
fsa9480.c	treewide: fix comments and printk msgs	2014-01-07 15:06:07 +01:00
hmc6352.c
hpilo.c
hpilo.h
ics932s401.c
ioc4.c
isl29003.c
isl29020.c
Kconfig	GenWQE Enable driver	2013-12-18 16:51:15 -08:00
kgdbts.c
lattice-ecp3-config.c
lkdtm.c	drivers: misc: Mark function jp_generic_ide_ioctl() as static in lkdtm.c	2013-12-18 16:41:52 -08:00
Makefile	GenWQE Enable driver	2013-12-18 16:51:15 -08:00
pch_phub.c
phantom.c
pti.c
spear13xx_pcie_gadget.c
sram.c
ti_dac7512.c
tifm_7xx1.c	tifm: fix error return code in tifm_7xx1_probe()	2013-10-30 10:19:30 -07:00
tifm_core.c
tsl2550.c
vmw_balloon.c