[PATCH][next] RDMA/hns: Fix uninitialized variable bug

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There is a potential execution path in which variable *ret* is returned
without being properly initialized, previously.

Fix this by initializing variable *ret* to -ENODEV.

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 <gustavo@xxxxxxxxxxxxxx>
---
 drivers/infiniband/hw/hns/hns_roce_hem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index c96378718f88..3fd8100c2b56 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 = -ENODEV;
 
 	if (index->inited & HEM_INDEX_L0) {
 		ret = hr_dev->hw->set_hem(hr_dev, table, obj, 0);
-- 
2.26.0




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