netdev - [net-next 06/15] net/mlx5: Add const to the key pointer of encryption key creation

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Date:   Mon, 30 Jan 2023 19:11:52 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Jianbo Liu <jianbol@...dia.com>
Subject: [net-next 06/15] net/mlx5: Add const to the key pointer of encryption key creation

From: Jianbo Liu <jianbol@...dia.com>

Change key pointer to const void *, as there is no need to change the
key content. This is also to avoid modifying the key by mistake.

Signed-off-by: Jianbo Liu <jianbol@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c    | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.h    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
index d36788119b8b..f80d6fce28d2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
@@ -13,8 +13,8 @@ int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
 			 struct tls_crypto_info *crypto_info,
 			 u32 *p_key_id)
 {
+	const void *key;
 	u32 sz_bytes;
-	void *key;
 
 	switch (crypto_info->cipher_type) {
 	case TLS_CIPHER_AES_GCM_128: {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
index 02bc365efade..bc2a72491e10 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c
@@ -10,7 +10,7 @@ struct mlx5_crypto_dek_priv {
 };
 
 int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
-			       void *key, u32 sz_bytes,
+			       const void *key, u32 sz_bytes,
 			       u32 key_type, u32 *p_key_id)
 {
 	u32 in[MLX5_ST_SZ_DW(create_encryption_key_in)] = {};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.h
index 5968536047ca..ee3ed8c863d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.h
@@ -11,7 +11,7 @@ enum {
 };
 
 int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
-			       void *key, u32 sz_bytes,
+			       const void *key, u32 sz_bytes,
 			       u32 key_type, u32 *p_key_id);
 
 void mlx5_destroy_encryption_key(struct mlx5_core_dev *mdev, u32 key_id);
-- 
2.39.1