[PATCH] device-mapper dm-ioctl: missing put in table load error case

An error path in table_load() forgets to release a table that won't now be
referenced.
Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/md/dm-ioctl.c

@@ -974,6 +974,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size)
 	if (!hc) {
 		DMWARN("device doesn't appear to be in the dev hash table.");
 		up_write(&_hash_lock);
+		dm_table_put(t);
 		return -ENXIO;
 	}