link_path_walk: don't bother with walk_component() after jumping link (12b09578) · Commits · 戴 / test

fs/namei.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -1797,7 +1797,11 @@ static int link_path_walk(const char name, struct nameidata nd)
		return err;
		}
		err = 0;
		if (likely(s)) {
		if (unlikely(!s)) {
		/* jumped */
		put_link(nd, &link, cookie);
		break;
		} else {
		if (*s == '/') {
		if (!nd->root.mnt)
		set_root(nd);
		@@ -1812,9 +1816,9 @@ static int link_path_walk(const char name, struct nameidata nd)
		put_link(nd, &link, cookie);
		break;
		}
		}
		err = walk_component(nd, LOOKUP_FOLLOW);
		put_link(nd, &link, cookie);
		}
		} while (err > 0);

		current->link_count--;