blk-mq-debugfs: don't open code strstrip()

[mirror_ubuntu-bionic-kernel.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index d41fab78798b2e2510ca4f8b54925ef304a14c7d..19dcf62133cc95162d364f7ef43c17d280ee6448 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2145,6 +2145,9 @@ static const char *path_init(struct nameidata *nd, unsigned flags)
        int retval = 0;
        const char *s = nd->name->name;
 
+       if (!*s)
+               flags &= ~LOOKUP_RCU;
+
        nd->last_type = LAST_ROOT; /* if there are only slashes... */
        nd->flags = flags | LOOKUP_JUMPED | LOOKUP_PARENT;
        nd->depth = 0;