1 files changed, 2 insertions, 2 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 2b8f823eda44..068a9e50c8c0 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1454,7 +1454,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
 
         mutex_lock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
 
-        for (p = p1; p->d_parent != p; p = p->d_parent) {
+        for (p = p1; !IS_ROOT(p); p = p->d_parent) {
                 if (p->d_parent == p2) {
                         mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_PARENT);
                         mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_CHILD);
@@ -1462,7 +1462,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
                 }
         }
 
-        for (p = p2; p->d_parent != p; p = p->d_parent) {
+        for (p = p2; !IS_ROOT(p); p = p->d_parent) {
                 if (p->d_parent == p1) {
                         mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT);
                         mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD);