1 files changed, 2 insertions, 0 deletions

diff --git a/fs/fcntl.c b/fs/fcntl.c
index e7c66a1bf831..e4f26165f12a 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -305,9 +305,11 @@ void f_delown(struct file *filp)
 pid_t f_getown(struct file *filp)
 {
         pid_t pid;
+        read_lock(&filp->f_owner.lock);
         pid = pid_nr(filp->f_owner.pid);
         if (filp->f_owner.pid_type == PIDTYPE_PGID)
                 pid = -pid;
+        read_unlock(&filp->f_owner.lock);
         return pid;
 }