fix leaks in path_lookupat()

Signed-off-by: N Al Viro <viro@zeniv.linux.org.uk>

fix leaks in path_lookupat()
Signed-off-by: N Al Viro <viro@zeniv.linux.org.uk>
bd23a539 · Al Viro · eddecbb6 · bd23a539
隐藏空白更改
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Showing with 5 addition and 2 deletion

fs/namei.c fs/namei.c +5 -2

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--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1644,13 +1644,16 @@ static int path_lookupat(int dfd, const char *name,
 			err = -ECHILD;
 	}

-	if (!err)
+	if (!err) {
 		err = handle_reval_path(nd);
+		if (err)
+			path_put(&nd->path);
+	}

 	if (!err && nd->flags & LOOKUP_DIRECTORY) {
 		if (!nd->inode->i_op->lookup) {
 			path_put(&nd->path);
-			return -ENOTDIR;
+			err = -ENOTDIR;
 		}
 	}