mm: memory_hotplug: no need to check res twice in add_memory

Remove one redundant check of res.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index d04ed87..3022914 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -901,8 +901,7 @@ error:
        /* rollback pgdat allocation and others */
        if (new_pgdat)
                rollback_node_hotadd(nid, pgdat);
-       if (res)
-               release_memory_resource(res);
+       release_memory_resource(res);
 
 out:
        unlock_memory_hotplug();