From b0c24c3bdf237182b2f043bfee68bf886b0c9ad3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 18 Apr 2015 19:10:36 -0400 Subject: [PATCH] link_path_walk: handle get_link() returning ERR_PTR() immediately If we get ERR_PTR() from get_link(), we are guaranteed to get err != 0 when we break out of do-while, so we are going to hit if (err) return err; shortly after it. Pull that into the if (IS_ERR(s)) body. Signed-off-by: Al Viro --- fs/namei.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/namei.c b/fs/namei.c index d729ef7cbf46..99374704c17d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1792,7 +1792,9 @@ static int link_path_walk(const char *name, struct nameidata *nd) if (unlikely(IS_ERR(s))) { err = PTR_ERR(s); - break; + current->link_count--; + nd->depth--; + return err; } err = 0; if (likely(s)) { -- 2.30.2