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| author | Jules Irenge <jbi.octave@gmail.com> | 2020-06-07 21:40:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-08 11:05:55 -0700 |
| commit | 4b78e2013a374f379457ceba7dc860d9fc28156b (patch) | |
| tree | 72946c2eeb1a35af6e5a1b4c0b8b10766b046a7e /ipc | |
| parent | 92fb1db26eefc11554820f11ce8e92007da2fbf4 (diff) | |
| download | lwn-4b78e2013a374f379457ceba7dc860d9fc28156b.tar.gz lwn-4b78e2013a374f379457ceba7dc860d9fc28156b.zip | |
ipc/msg: add missing annotation for freeque()
Sparse reports a warning at freeque()
warning: context imbalance in freeque() - unexpected unlock
The root cause is the missing annotation at freeque()
Add the missing __releases(RCU) annotation
Add the missing __releases(&msq->q_perm) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Lu Shuaibing <shuaibinglu@126.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Link: http://lkml.kernel.org/r/20200403160505.2832-2-jbi.octave@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/msg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index caca67368cb5..acd1bc7af55a 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -268,6 +268,8 @@ static void expunge_all(struct msg_queue *msq, int res, * before freeque() is called. msg_ids.rwsem remains locked on exit. */ static void freeque(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) + __releases(RCU) + __releases(&msq->q_perm) { struct msg_msg *msg, *t; struct msg_queue *msq = container_of(ipcp, struct msg_queue, q_perm); |