From 3f0806d2596de0a9ec381f37f97f6f5dbf1c6366 Mon Sep 17 00:00:00 2001 From: Tycho Andersen Date: Fri, 2 Nov 2018 14:18:21 -0600 Subject: dlm: don't allow zero length names kobject doesn't like zero length object names, so let's test for that. Signed-off-by: Tycho Andersen Signed-off-by: David Teigland --- fs/dlm/lockspace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/dlm') diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index 5ba94be006ee..7b9d47fe7a34 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -431,7 +431,7 @@ static int new_lockspace(const char *name, const char *cluster, int do_unreg = 0; int namelen = strlen(name); - if (namelen > DLM_LOCKSPACE_LEN) + if (namelen > DLM_LOCKSPACE_LEN || namelen == 0) return -EINVAL; if (!lvblen || (lvblen % 8)) -- cgit