rk312x: add psci support

[firefly-linux-kernel-4.4.55.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index f7c4393f853533da6a7f4fb459896e596345b131..036c21246d6aba956ff62fcacc3da8e5c5e80f37 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1542,7 +1542,8 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
 
        if (should_follow_link(inode, follow)) {
                if (nd->flags & LOOKUP_RCU) {
-                       if (unlikely(unlazy_walk(nd, path->dentry))) {
+                       if (unlikely(nd->path.mnt != path->mnt ||
+                                    unlazy_walk(nd, path->dentry))) {
                                err = -ECHILD;
                                goto out_err;
                        }
@@ -2824,7 +2825,8 @@ finish_lookup:
 
        if (should_follow_link(inode, !symlink_ok)) {
                if (nd->flags & LOOKUP_RCU) {
-                       if (unlikely(unlazy_walk(nd, path->dentry))) {
+                       if (unlikely(nd->path.mnt != path->mnt ||
+                                    unlazy_walk(nd, path->dentry))) {
                                error = -ECHILD;
                                goto out;
                        }