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path: root/drivers/target/iscsi/iscsi_target.c
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Diffstat (limited to 'drivers/target/iscsi/iscsi_target.c')
-rw-r--r--drivers/target/iscsi/iscsi_target.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0fd96c10271d..8599545cdf9e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -614,13 +614,12 @@ int iscsit_add_reject(
hdr = (struct iscsi_reject *) cmd->pdu;
hdr->reason = reason;
- cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+ cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
iscsit_release_cmd(cmd);
return -1;
}
- memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
spin_lock_bh(&conn->cmd_lock);
list_add_tail(&cmd->i_list, &conn->conn_cmd_list);
@@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd(
hdr = (struct iscsi_reject *) cmd->pdu;
hdr->reason = reason;
- cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+ cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
iscsit_release_cmd(cmd);
return -1;
}
- memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
if (add_to_conn) {
spin_lock_bh(&conn->cmd_lock);
@@ -1017,11 +1015,6 @@ done:
" non-existent or non-exported iSCSI LUN:"
" 0x%016Lx\n", get_unaligned_le64(&hdr->lun));
}
- if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES)
- return iscsit_add_reject_from_cmd(
- ISCSI_REASON_BOOKMARK_NO_RESOURCES,
- 1, 1, buf, cmd);
-
send_check_condition = 1;
goto attach_cmd;
}
@@ -1044,6 +1037,8 @@ done:
*/
send_check_condition = 1;
} else {
+ cmd->data_length = cmd->se_cmd.data_length;
+
if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -1123,7 +1118,7 @@ attach_cmd:
* the backend memory allocation.
*/
ret = transport_generic_new_cmd(&cmd->se_cmd);
- if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) {
+ if (ret < 0) {
immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
dump_immediate_data = 1;
goto after_immediate_data;
@@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
spin_lock_irqsave(&se_cmd->t_state_lock, flags);
if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) ||
- (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED))
+ (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION))
dump_unsolicited_data = 1;
spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
@@ -2513,10 +2508,10 @@ static int iscsit_send_data_in(
if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
}
}
hton24(hdr->dlength, datain.length);
@@ -3018,10 +3013,10 @@ static int iscsit_send_status(
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
}
hdr->response = cmd->iscsi_response;
hdr->cmd_status = cmd->se_cmd.scsi_status;
@@ -3133,6 +3128,7 @@ static int iscsit_send_task_mgt_rsp(
hdr = (struct iscsi_tm_rsp *) cmd->pdu;
memset(hdr, 0, ISCSI_HDR_LEN);
hdr->opcode = ISCSI_OP_SCSI_TMFUNC_RSP;
+ hdr->flags = ISCSI_FLAG_CMD_FINAL;
hdr->response = iscsit_convert_tcm_tmr_rsp(se_tmr);
hdr->itt = cpu_to_be32(cmd->init_task_tag);
cmd->stat_sn = conn->stat_sn++;