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iscsi-target: Convert incoming PDU payload checks to MaxXmitDataSegmentLength 

Now that iscsi-target supports a local configurable MaxXmitDataSegmentLength,
go ahead and make ISCSI_OP_SCSI_CMD, ISCSI_OP_SCSI_DATA_OUT, ISCSI_OP_NOOP_OUT
and ISCSI_OP_TEXT PDU payload checks honor conn_ops->MaxXmitDataSegmentLength.

Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: Andy Grover <agrover@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger 2012-09-29 21:51:26 -07:00
Родитель 9977bb18c9
Коммит 21f5aa7eb8
1 изменённых файлов: 12 добавлений и 12 удалений
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24
drivers/target/iscsi/iscsi_target.c
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@ -869,10 +869,10 @@ done:
buf, conn);
}
if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("DataSegmentLength: %u is greater than"
" MaxRecvDataSegmentLength: %u, protocol error.\n",
payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
" MaxXmitDataSegmentLength: %u, protocol error.\n",
payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@ -1216,10 +1216,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
}
spin_unlock_bh(&conn->sess->session_stats_lock);
if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("DataSegmentLength: %u is greater than"
" MaxRecvDataSegmentLength: %u\n", payload_length,
conn->conn_ops->MaxRecvDataSegmentLength);
" MaxXmitDataSegmentLength: %u\n", payload_length,
conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@ -1437,11 +1437,11 @@ static int iscsit_handle_nop_out(
buf, conn);
}
if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("NOPOUT Ping Data DataSegmentLength: %u is"
" greater than MaxRecvDataSegmentLength: %u, protocol"
" greater than MaxXmitDataSegmentLength: %u, protocol"
" error.\n", payload_length,
conn->conn_ops->MaxRecvDataSegmentLength);
conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@ -1874,10 +1874,10 @@ static int iscsit_handle_text_cmd(
hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("Unable to accept text parameter length: %u"
"greater than MaxRecvDataSegmentLength %u.\n",
payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
"greater than MaxXmitDataSegmentLength %u.\n",
payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}