Stop map_dev from returning [0:0]

We sometimes need the NULL when major==minor==0.
So make sure all callers of map_dev can cope with NULL.

1 files changed, 2 insertions, 1 deletions

diff --git a/config.c b/config.c
index 20dc725..157bdff 100644
--- a/config.c
+++ b/config.c
@@ -242,7 +242,8 @@ mddev_dev_t load_partitions(void)
 		minor = strtoul(mp, NULL, 10);
 
 		name = map_dev(major, minor, 1);
-
+		if (!name)
+			continue;
 		d = malloc(sizeof(*d));
 		d->devname = strdup(name);
 		d->next = rv;