bcache: check return value from btree_node_alloc_replacement()

[sfrench/cifs-2.6.git] / drivers / md / bcache / btree.c

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index ae5cbb55861fdb7967ad9ad686161b377de345b4..de8d552201dc3dcb053e34a731f3c43edda0b15f 100644 (file)
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1532,6 +1532,8 @@ static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op,
                return 0;
 
        n = btree_node_alloc_replacement(replace, NULL);
+       if (IS_ERR(n))
+               return 0;
 
        /* recheck reserve after allocating replacement node */
        if (btree_check_reserve(b, NULL)) {