vfs: namei: use path_equal() in follow_dotdot()

Use path_equal() to detect whether we're already in root. Signed-off-by: Danilo Krummrich <[email protected]> Signed-off-by: Al Viro <[email protected]>
chewitt · May 18, 2018 · 030c7e0 · 030c7e0
1 parent 75abe32
commit 030c7e0
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/fs/namei.c b/fs/namei.c
@@ -1438,10 +1438,8 @@ static int path_parent_directory(struct path *path)
 static int follow_dotdot(struct nameidata *nd)
 {
 	while(1) {
-		if (nd->path.dentry == nd->root.dentry &&
-		    nd->path.mnt == nd->root.mnt) {
+		if (path_equal(&nd->path, &nd->root))
 			break;
-		}
 		if (nd->path.dentry != nd->path.mnt->mnt_root) {
 			int ret = path_parent_directory(&nd->path);
 			if (ret)