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RDMA/mlx5: Add missing returned error check of mlx5_ib_dereg_mr

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Fix the following smatch error:

drivers/infiniband/hw/mlx5/mr.c:1950 mlx5_ib_dereg_mr() error: uninitialized symbol 'rc'.

Fixes: e6fb246cca ("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>
This commit is contained in:
Leon Romanovsky 2021-03-14 10:22:50 +02:00 committed by Jason Gunthorpe
parent 7610ab57de
commit b5486430bb
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/mr.c
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@ -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;