lib-btreec-fix-leak-of-whole-btree-nodes-fix

remove unneeded test of NULL

Cc: Joern Engel <joern@logfs.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Minfei Huang <huangminfei@ucloud.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/lib/btree.c b/lib/btree.c
index 725bf8b4f6c23a885506e84be458a151d5b09f36..4264871ea1a00194750116a82c48e18d18edbd44 100644 (file)
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -198,8 +198,7 @@ EXPORT_SYMBOL_GPL(btree_init);
 
 void btree_destroy(struct btree_head *head)
 {
-       if (head->node)
-               mempool_free(head->node, head->mempool);
+       mempool_free(head->node, head->mempool);
        mempool_destroy(head->mempool);
        head->mempool = NULL;
 }