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Date: Fri, 03 May 2013 16:54:33 -0700
From: "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iscsi-target: Make buf param of
iscsit_do_crypto_hash_buf() const void *
On Fri, 2013-05-03 at 23:15 +0200, Geert Uytterhoeven wrote:
> Make the "buf" input param of iscsit_do_crypto_hash_buf() "const void *".
> This allows to remove lots of casts in its callers.
>
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
Applied to target-pending/queue.
Thanks Geert!
--nab
> drivers/target/iscsi/iscsi_target.c | 57 ++++++++++++++---------------------
> 1 files changed, 23 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
> index ffbc6a9..721ecc5 100644
> --- a/drivers/target/iscsi/iscsi_target.c
> +++ b/drivers/target/iscsi/iscsi_target.c
> @@ -1250,7 +1250,7 @@ static u32 iscsit_do_crypto_hash_sg(
>
> static void iscsit_do_crypto_hash_buf(
> struct hash_desc *hash,
> - unsigned char *buf,
> + const void *buf,
> u32 payload_length,
> u32 padding,
> u8 *pad_bytes,
> @@ -2524,9 +2524,8 @@ static int iscsit_send_conn_drop_async_message(
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> cmd->tx_size += ISCSI_CRC_LEN;
> pr_debug("Attaching CRC32C HeaderDigest to"
> @@ -2662,9 +2661,8 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)cmd->pdu, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -2841,9 +2839,8 @@ iscsit_send_logout(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)&cmd->pdu[0], ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, &cmd->pdu[0],
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -2900,9 +2897,8 @@ static int iscsit_send_unsolicited_nopin(
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> tx_size += ISCSI_CRC_LEN;
> pr_debug("Attaching CRC32C HeaderDigest to"
> @@ -2949,9 +2945,8 @@ iscsit_send_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3040,9 +3035,8 @@ static int iscsit_send_r2t(
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3256,9 +3250,8 @@ static int iscsit_send_response(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)cmd->pdu, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->pdu,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3329,9 +3322,8 @@ iscsit_send_task_mgt_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> cmd->iov_misc[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3504,9 +3496,8 @@ static int iscsit_send_text_rsp(
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3574,9 +3565,8 @@ static int iscsit_send_reject(
> if (conn->conn_ops->HeaderDigest) {
> u32 *header_digest = (u32 *)&cmd->pdu[ISCSI_HDR_LEN];
>
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)hdr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)header_digest);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, hdr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)header_digest);
>
> iov[0].iov_len += ISCSI_CRC_LEN;
> tx_size += ISCSI_CRC_LEN;
> @@ -3585,9 +3575,8 @@ static int iscsit_send_reject(
> }
>
> if (conn->conn_ops->DataDigest) {
> - iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
> - (unsigned char *)cmd->buf_ptr, ISCSI_HDR_LEN,
> - 0, NULL, (u8 *)&cmd->data_crc);
> + iscsit_do_crypto_hash_buf(&conn->conn_tx_hash, cmd->buf_ptr,
> + ISCSI_HDR_LEN, 0, NULL, (u8 *)&cmd->data_crc);
>
> iov[iov_count].iov_base = &cmd->data_crc;
> iov[iov_count++].iov_len = ISCSI_CRC_LEN;
--
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