X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=fs%2Fnamespace.c;h=55605c552787cae1188ef93ee522ddd958e8cd83;hb=e60c81543fd4edabe5b6fd2ea68d2db6f6204177;hp=398a50ff243848fae1145c695d6decc801d80f7d;hpb=5031a2a7c12b837a0913c4139ebeb6bbff5e1aa5;p=cascardo%2Flinux.git

diff --git a/fs/namespace.c b/fs/namespace.c
index 398a50ff2438..55605c552787 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -313,7 +313,7 @@ int __mnt_want_write(struct vfsmount *m)
 	 * incremented count after it has set MNT_WRITE_HOLD.
 	 */
 	smp_mb();
-	while (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)
+	while (ACCESS_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD)
 		cpu_relax();
 	/*
 	 * After the slowpath clears MNT_WRITE_HOLD, mnt_is_readonly will