diff options
Diffstat (limited to 'kpartx')
| -rw-r--r-- | kpartx/devmapper.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kpartx/devmapper.c b/kpartx/devmapper.c index c4321b1..84b6c72 100644 --- a/kpartx/devmapper.c +++ b/kpartx/devmapper.c @@ -123,7 +123,7 @@ const char * dm_mapname(int major, int minor) { struct dm_task *dmt; - const char *mapname; + const char *mapname = NULL, *map; if (!(dmt = dm_task_create(DM_DEVICE_INFO))) return NULL; @@ -135,7 +135,10 @@ dm_mapname(int major, int minor) if (!dm_task_run(dmt)) goto out; - mapname = strdup(dm_task_get_name(dmt)); + map = dm_task_get_name(dmt); + if (map && strlen(map)) + mapname = strdup(map); + out: dm_task_destroy(dmt); return mapname; |