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authorGal Pressman <gal@nvidia.com>2023-01-24 17:34:32 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2023-03-15 15:50:17 -0700
commitdd64572490c3d7aab04083db8791fab157a941ed (patch)
tree3712066978d808662f93e5319fa9a3d490233dc3 /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
parentc9668f0b1d28570327dbba189f2c61f6f9e43ae7 (diff)
net/mlx5e: kTLS, Fix missing error unwind on unsupported cipher type
Do proper error unwinding when adding an unsupported TX/RX cipher type. Move the switch case prior to key creation so there's less to unwind, and change the goto label name to describe the action performed instead of what failed. Fixes: 4960c414db35 ("net/mlx5e: Support 256 bit keys with kTLS device offload") Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 60b3e08a1028..0e4c0a093293 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -469,14 +469,6 @@ int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
if (IS_ERR(priv_tx))
return PTR_ERR(priv_tx);
- dek = mlx5_ktls_create_key(priv->tls->dek_pool, crypto_info);
- if (IS_ERR(dek)) {
- err = PTR_ERR(dek);
- goto err_create_key;
- }
- priv_tx->dek = dek;
-
- priv_tx->expected_seq = start_offload_tcp_sn;
switch (crypto_info->cipher_type) {
case TLS_CIPHER_AES_GCM_128:
priv_tx->crypto_info.crypto_info_128 =
@@ -489,8 +481,18 @@ int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
default:
WARN_ONCE(1, "Unsupported cipher type %u\n",
crypto_info->cipher_type);
- return -EOPNOTSUPP;
+ err = -EOPNOTSUPP;
+ goto err_pool_push;
}
+
+ dek = mlx5_ktls_create_key(priv->tls->dek_pool, crypto_info);
+ if (IS_ERR(dek)) {
+ err = PTR_ERR(dek);
+ goto err_pool_push;
+ }
+
+ priv_tx->dek = dek;
+ priv_tx->expected_seq = start_offload_tcp_sn;
priv_tx->tx_ctx = tls_offload_ctx_tx(tls_ctx);
mlx5e_set_ktls_tx_priv_ctx(tls_ctx, priv_tx);
@@ -500,7 +502,7 @@ int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
return 0;
-err_create_key:
+err_pool_push:
pool_push(pool, priv_tx);
return err;
}