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-rw-r--r--ipc/mqueue.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 54b4077fed79..a8ddadbc7459 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1156,10 +1156,12 @@ SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
1156 omqstat.mq_flags = filp->f_flags & O_NONBLOCK; 1156 omqstat.mq_flags = filp->f_flags & O_NONBLOCK;
1157 if (u_mqstat) { 1157 if (u_mqstat) {
1158 audit_mq_getsetattr(mqdes, &mqstat); 1158 audit_mq_getsetattr(mqdes, &mqstat);
1159 spin_lock(&filp->f_lock);
1159 if (mqstat.mq_flags & O_NONBLOCK) 1160 if (mqstat.mq_flags & O_NONBLOCK)
1160 filp->f_flags |= O_NONBLOCK; 1161 filp->f_flags |= O_NONBLOCK;
1161 else 1162 else
1162 filp->f_flags &= ~O_NONBLOCK; 1163 filp->f_flags &= ~O_NONBLOCK;
1164 spin_unlock(&filp->f_lock);
1163 1165
1164 inode->i_atime = inode->i_ctime = CURRENT_TIME; 1166 inode->i_atime = inode->i_ctime = CURRENT_TIME;
1165 } 1167 }