From d35dc58dd26e2aef5dd7ed1929179c9974f8bb97 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Fri, 27 Mar 2020 21:35:39 -0500 Subject: RDMA/hns: Fix uninitialized variable bug There is a potential execution path in which variable *ret* is returned without being properly initialized, previously. Fix this by initializing variable *ret* to 0. Link: https://lore.kernel.org/r/20200328023539.GA32016@embeddedor Addresses-Coverity-ID: 1491917 ("Uninitialized scalar variable") Fixes: 2f49de21f3e9 ("RDMA/hns: Optimize mhop get flow for multi-hop addressing") Signed-off-by: Gustavo A. R. Silva Acked-by: Weihang Li Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_hem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index c96378718f88..263338b90d7a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -603,7 +603,7 @@ static int set_mhop_hem(struct hns_roce_dev *hr_dev, { struct ib_device *ibdev = &hr_dev->ib_dev; int step_idx; - int ret; + int ret = 0; if (index->inited & HEM_INDEX_L0) { ret = hr_dev->hw->set_hem(hr_dev, table, obj, 0); -- cgit v1.2.3