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authorManfred Spraul <manfred@colorfullife.com>2017-07-12 14:35:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-12 16:26:02 -0700
commit51c23b7b7db52493d4fc869cec8c3e8fe27bfcd3 (patch)
tree087792a59b22078d3e88f70ad413ed5401403d6e /ipc/shm.c
parenta2642f8770993a1598500bb6a8082b7c32faff8b (diff)
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ipc/msg.c: avoid ipc_rcu_putref for failed ipc_addid()
Loosely based on a patch from Kees Cook <keescook@chromium.org>: - id and retval can be merged - if ipc_addid() fails, then use call_rcu() directly. The difference is that call_rcu is used for failed ipc_addid() calls, to continue to guaranteed an rcu delay for security_msg_queue_free(). Link: http://lkml.kernel.org/r/20170525185107.12869-16-manfred@colorfullife.com Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Cc: Kees Cook <keescook@chromium.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/shm.c')
0 files changed, 0 insertions, 0 deletions
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