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authorSaeed Mahameed <saeedm@nvidia.com>2020-09-10 21:16:04 -0700
committerSaeed Mahameed <saeedm@nvidia.com>2020-09-21 17:22:24 -0700
commit581642f32f33017619355b7d91704c152df1fc2d (patch)
treec5dbbd05af4a3d379e9f0bbcc2987c4bd957fd07 /drivers
parent66ce5fc05713e6b90f74c01439f2aaa137ffd9f4 (diff)
net/mlx5e: kTLS, Fix leak on resync error flow
Resync progress params buffer and dma weren't released on error, Add missing error unwinding for resync_post_get_progress_params(). Fixes: 0419d8c9d8f8 ("net/mlx5e: kTLS, Add kTLS RX resync support") Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
index fb4e4f2ebe02..e85411bd1fed 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
@@ -258,7 +258,7 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq,
PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(pdev, buf->dma_addr))) {
err = -ENOMEM;
- goto err_out;
+ goto err_free;
}
buf->priv_rx = priv_rx;
@@ -266,7 +266,7 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq,
BUILD_BUG_ON(MLX5E_KTLS_GET_PROGRESS_WQEBBS != 1);
if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, 1))) {
err = -ENOSPC;
- goto err_out;
+ goto err_dma_unmap;
}
pi = mlx5e_icosq_get_next_pi(sq, 1);
@@ -297,6 +297,10 @@ resync_post_get_progress_params(struct mlx5e_icosq *sq,
return cseg;
+err_dma_unmap:
+ dma_unmap_single(pdev, buf->dma_addr, PROGRESS_PARAMS_PADDED_SIZE, DMA_FROM_DEVICE);
+err_free:
+ kfree(buf);
err_out:
priv_rx->stats->tls_resync_req_skip++;
return ERR_PTR(err);