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| author | Kamal Heib <kamalheib1@gmail.com> | 2018-07-10 11:56:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-24 13:09:16 +0200 |
| commit | 26c7588c28caafda58ed88b45912dafc240c495e (patch) | |
| tree | 4f8849ec2fffc0d6401d75f43d460de4a4466d1c | |
| parent | a6629efeef9d9bbb76d9e7cdf0262ad07e9f1651 (diff) | |
| download | linux-26c7588c28caafda58ed88b45912dafc240c495e.tar.gz | |
RDMA/mlx5: Fix memory leak in mlx5_ib_create_srq() error path
[ Upstream commit d63c46734c545ad0488761059004a65c46efdde3 ]
Fix memory leak in the error path of mlx5_ib_create_srq() by making sure
to free the allocated srq.
Fixes: c2b37f76485f ("IB/mlx5: Fix integer overflows in mlx5_ib_create_srq")
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/infiniband/hw/mlx5/srq.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 3c7522d025f2b5..93d67d97c27944 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -266,18 +266,24 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, desc_size = sizeof(struct mlx5_wqe_srq_next_seg) + srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg); - if (desc_size == 0 || srq->msrq.max_gs > desc_size) - return ERR_PTR(-EINVAL); + if (desc_size == 0 || srq->msrq.max_gs > desc_size) { + err = -EINVAL; + goto err_srq; + } desc_size = roundup_pow_of_two(desc_size); desc_size = max_t(size_t, 32, desc_size); - if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) - return ERR_PTR(-EINVAL); + if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) { + err = -EINVAL; + goto err_srq; + } srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) / sizeof(struct mlx5_wqe_data_seg); srq->msrq.wqe_shift = ilog2(desc_size); buf_size = srq->msrq.max * desc_size; - if (buf_size < desc_size) - return ERR_PTR(-EINVAL); + if (buf_size < desc_size) { + err = -EINVAL; + goto err_srq; + } in.type = init_attr->srq_type; if (pd->uobject) |