From b5486430bb0fbb4f2bd1e06bd85921395ba357a6 Mon Sep 17 00:00:00 2001
From: Leon Romanovsky <leonro@nvidia.com>
Date: Sun, 14 Mar 2021 10:22:50 +0200
Subject: [PATCH] RDMA/mlx5: Add missing returned error check of
mlx5_ib_dereg_mr
Fix the following smatch error:
drivers/infiniband/hw/mlx5/mr.c:1950 mlx5_ib_dereg_mr() error: uninitialized symbol 'rc'.
Fixes: e6fb246ccafb ("RDMA/mlx5: Consolidate MR destruction to mlx5_ib_dereg_mr()")
Link: https://lore.kernel.org/r/20210314082250.10143-1-leon@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/infiniband/hw/mlx5/mr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 86ffc7e5ef9602..9dcb9fb4eeaa59 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1946,7 +1946,7 @@ int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
mr->mtt_mr = NULL;
}
if (mr->klm_mr) {
- mlx5_ib_dereg_mr(&mr->klm_mr->ibmr, NULL);
+ rc = mlx5_ib_dereg_mr(&mr->klm_mr->ibmr, NULL);
if (rc)
return rc;
mr->klm_mr = NULL;
--
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