The patch titled
Subject: ipc/msg: add missing annotation for freeque()
has been added to the -mm tree. Its filename is
ipc-msg-add-missing-annotation-for-freeque.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ipc-msg-add-missing-annotation-for-freeque.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ipc-msg-add-missing-annotation-for-freeque.patch
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------------------------------------------------------
From: Jules Irenge <jbi.octave@xxxxxxxxx>
Subject: 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
Link: http://lkml.kernel.org/r/20200403160505.2832-2-jbi.octave@xxxxxxxxx
Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
Cc: Lu Shuaibing <shuaibinglu@xxxxxxx>
Cc: Nathan Chancellor <natechancellor@xxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/msg.c | 2 ++
1 file changed, 2 insertions(+)
--- a/ipc/msg.c~ipc-msg-add-missing-annotation-for-freeque
+++ a/ipc/msg.c
@@ -268,6 +268,8 @@ static void expunge_all(struct msg_queue
* 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);
_
Patches currently in -mm which might be from jbi.octave@xxxxxxxxx are
ocfs2-add-missing-annotation-for-dlm_empty_lockres.patch
ipc-msg-add-missing-annotation-for-freeque.patch
