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authorIngo Molnar <mingo@elte.hu>2009-03-30 23:53:32 +0200
committerIngo Molnar <mingo@elte.hu>2009-03-30 23:53:32 +0200
commit65fb0d23fcddd8697c871047b700c78817bdaa43 (patch)
tree119e6e5f276622c4c862f6c9b6d795264ba1603a /ipc/mqueue.c
parent8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff)
parentdfbbe89e197a77f2c8046a51c74e33e35f878080 (diff)
Merge branch 'linus' into cpumask-for-linus
Conflicts: arch/x86/kernel/cpu/common.c
Diffstat (limited to 'ipc/mqueue.c')
-rw-r--r--ipc/mqueue.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 54b4077fed7..a8ddadbc745 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1156,10 +1156,12 @@ SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
omqstat.mq_flags = filp->f_flags & O_NONBLOCK;
if (u_mqstat) {
audit_mq_getsetattr(mqdes, &mqstat);
+ spin_lock(&filp->f_lock);
if (mqstat.mq_flags & O_NONBLOCK)
filp->f_flags |= O_NONBLOCK;
else
filp->f_flags &= ~O_NONBLOCK;
+ spin_unlock(&filp->f_lock);
inode->i_atime = inode->i_ctime = CURRENT_TIME;
}