redonkable/alistair23-linux
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alistair23-linux/drivers/misc/cxl
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Vaibhav Jain a05b82d514 cxl: Fix leaking pid refs in some error paths 
In some error paths in functions cxl_start_context and
afu_ioctl_start_work pid references to the current & group-leader tasks
can leak after they are taken. This patch fixes these error paths to
release these pid references before exiting the error path.

Fixes: 7b8ad495d5 ("cxl: Fix DSI misses when the context owning task exits")
Cc: stable@vger.kernel.org # v4.5+
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reported-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-10-24 11:38:27 +11:00
..
api.c cxl: Fix leaking pid refs in some error paths 2016-10-24 11:38:27 +11:00
base.c cxl: Add support for interrupts on the Mellanox CX4 2016-07-14 20:27:08 +10:00
context.c cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
cxl.h cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
debugfs.c cxl: Abstract the differences between the PSL and XSL 2016-06-16 23:08:54 +10:00
fault.c powerpc/mm: Replace _PAGE_USER with _PAGE_PRIVILEGED 2016-05-01 18:32:26 +10:00
file.c cxl: Fix leaking pid refs in some error paths 2016-10-24 11:38:27 +11:00
flash.c cxl: static-ify variables to fix sparse warnings 2016-06-16 22:49:27 +10:00
guest.c cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
hcalls.c cxl: Add tracepoints around the cxl hcall 2016-03-09 23:40:01 +11:00
hcalls.h cxl: Add guest-specific code 2016-03-09 23:36:52 +11:00
irq.c cxl: Refine slice error debug messages 2016-07-08 22:22:03 +10:00
Kconfig cxl: remove dead Kconfig options 2016-07-19 20:12:29 +10:00
main.c cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
Makefile cxl: Allow a default context to be associated with an external pci_dev 2016-07-14 20:26:52 +10:00
native.c cxl: Flush PSL cache before resetting the adapter 2016-10-04 16:16:42 +11:00
of.c cxl: replace loop with for_each_child_of_node(), remove unneeded of_node_put() 2016-10-04 16:19:23 +11:00
pci.c cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
phb.c cxl: Allow a default context to be associated with an external pci_dev 2016-07-14 20:26:52 +10:00
sysfs.c cxl: Prevent adapter reset if an active context exists 2016-10-19 20:35:39 +11:00
trace.c cxl: Add tracepoints 2015-01-22 17:31:51 +11:00
trace.h cxl: Add tracepoints around the cxl hcall 2016-03-09 23:40:01 +11:00
vphb.c cxl: use pcibios_free_controller_deferred() when removing vPHBs 2016-08-22 11:09:33 +10:00