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authorTycho Andersen <tycho@tycho.ws>2018-11-02 23:18:21 +0300
committerDavid Teigland <teigland@redhat.com>2018-11-08 01:10:45 +0300
commit3f0806d2596de0a9ec381f37f97f6f5dbf1c6366 (patch)
treeecc08811d4f8dc5e568fd4ace1ea175060b91f34 /fs/dlm
parentd968b4e240cfe39d39d80483bac8bca8716fd93c (diff)
downloadlinux-3f0806d2596de0a9ec381f37f97f6f5dbf1c6366.tar.xz
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 <tycho@tycho.ws> Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lockspace.c2
1 files changed, 1 insertions, 1 deletions
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))