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Davidlohr Bueso 9c21dae291 ipc/shm: properly return EIDRM in shm_lock() 
When getting rid of the general ipc_lock(), this was missed furthermore,
making the comment around the ipc object validity check bogus.  Under
EIDRM conditions, callers will in turn not see the error and continue
with the operation.

Link: http://lkml.kernel.org/r/20180824030920.GD3677@linux-r8p5
Link: http://lkml.kernel.org/r/20180823024051.GC13343@shao2-debian
Fixes: 82061c57ce ("ipc: drop ipc_lock()")
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2018-09-04 16:45:02 -07:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ipc_sysctl.c
…
mq_sysctl.c
…
mqueue.c y2038: ipc: Enable COMPAT_32BIT_TIME 2018-04-20 16:20:27 +02:00
msg.c ipc/util.c: further variable name cleanups 2018-08-22 10:52:52 -07:00
msgutil.c
…
namespace.c ipc: simplify ipc initialization 2018-08-22 10:52:52 -07:00
sem.c ipc/util.c: further variable name cleanups 2018-08-22 10:52:52 -07:00
shm.c ipc/shm: properly return EIDRM in shm_lock() 2018-09-04 16:45:02 -07:00
syscall.c y2038: ipc: Redirect ipc(SEMTIMEDOP, ...) to compat_ksys_semtimedop 2018-04-20 16:20:30 +02:00
util.c ipc/util.c: update return value of ipc_getref from int to bool 2018-08-22 10:52:52 -07:00
util.h ipc/util.c: update return value of ipc_getref from int to bool 2018-08-22 10:52:52 -07:00