From 5b59a3969e95cd9be3699ecf7149ae8ef103b6f5 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Tue, 8 Aug 2017 18:41:02 +0100 Subject: [PATCH] IB/hns: fix memory leak on ah on error return path When dmac is NULL, ah is not being freed on the error return path. Fix this by kfree'ing it. Detected by CoverityScan, CID#1452636 ("Resource Leak") Fixes: d8966fcd4c25 ("IB/core: Use rdma_ah_attr accessor functions") Signed-off-by: Colin Ian King Signed-off-by: Doug Ledford --- drivers/infiniband/hw/hns/hns_roce_ah.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index f78a733a63ec..d545302b8ef8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -64,8 +64,10 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, } else { u8 *dmac = rdma_ah_retrieve_dmac(ah_attr); - if (!dmac) + if (!dmac) { + kfree(ah); return ERR_PTR(-EINVAL); + } memcpy(ah->av.mac, dmac, ETH_ALEN); } -- 2.20.1