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(parent: c859aa8) | patch
ipc,shm: move BUG_ON check into shm_lock
authorDavidlohr Bueso <dave@stgolabs.net>
Tue, 30 Jun 2015 21:58:36 +0000 (14:58 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 Jul 2015 02:44:58 +0000 (19:44 -0700)
commitc5c8975b2eb4eb7604e8ce4f762987f56d2a96a2
tree9f21ef2539c3c0110dde47e1fc6b56c50da8b507tree | snapshot
parentc859aa83113dcad165d986e66aa21c5b73745f42commit | diff
ipc,shm: move BUG_ON check into shm_lock

Upon every shm_lock call, we BUG_ON if an error was returned, indicating
racing either in idr or in shm_destroy.  Move this logic into the locking.

[akpm@linux-foundation.org: simplify code]
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ipc/shm.c diff | blob | history
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