diff options
Diffstat (limited to 'ipc/mqueue.c')
| -rw-r--r-- | ipc/mqueue.c | 2 |
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; } |