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Message-Id: <1367615757-1447-1-git-send-email-geert@linux-m68k.org>
Date: Fri, 3 May 2013 23:15:57 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Cc: linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] iscsi-target: Make buf param of iscsit_do_crypto_hash_buf() const void *
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>
---
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;
--
1.7.0.4
--
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