From: Mike Christie <michaelc@cs.wisc.edu>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 9/11] iscsi bugfixes: pass errors from complete_pdu to caller
Date: Mon, 24 Jul 2006 15:47:45 -0500 [thread overview]
Message-ID: <1153774065.1040.41.camel@madmax> (raw)
Must pass ISCSI_ERR values from the recv path and propogate them
upwards.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index aa20adc..33534f6 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -885,7 +885,7 @@ more:
}
tcp_conn->in_progress = IN_PROGRESS_DATA_RECV;
} else if (rc) {
- iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
+ iscsi_conn_failure(conn, rc);
return 0;
}
}
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 03b3dee..c628c63 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -372,7 +372,8 @@ int __iscsi_complete_pdu(struct iscsi_co
* login related PDU's exp_statsn is handled in
* userspace
*/
- rc = iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen);
+ if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen))
+ rc = ISCSI_ERR_CONN_FAILED;
list_del(&mtask->running);
if (conn->login_mtask != mtask)
__kfifo_put(session->mgmtpool.queue,
@@ -393,7 +394,8 @@ int __iscsi_complete_pdu(struct iscsi_co
}
conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1;
- rc = iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen);
+ if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen))
+ rc = ISCSI_ERR_CONN_FAILED;
list_del(&mtask->running);
if (conn->login_mtask != mtask)
__kfifo_put(session->mgmtpool.queue,
@@ -406,14 +408,21 @@ int __iscsi_complete_pdu(struct iscsi_co
} else if (itt == ISCSI_RESERVED_TAG) {
switch(opcode) {
case ISCSI_OP_NOOP_IN:
- if (!datalen) {
- rc = iscsi_check_assign_cmdsn(session,
- (struct iscsi_nopin*)hdr);
- if (!rc && hdr->ttt != ISCSI_RESERVED_TAG)
- rc = iscsi_recv_pdu(conn->cls_conn,
- hdr, NULL, 0);
- } else
+ if (datalen) {
rc = ISCSI_ERR_PROTO;
+ break;
+ }
+
+ rc = iscsi_check_assign_cmdsn(session,
+ (struct iscsi_nopin*)hdr);
+ if (rc)
+ break;
+
+ if (hdr->ttt == ISCSI_RESERVED_TAG)
+ break;
+
+ if (iscsi_recv_pdu(conn->cls_conn, hdr, NULL, 0))
+ rc = ISCSI_ERR_CONN_FAILED;
break;
case ISCSI_OP_REJECT:
/* we need sth like iscsi_reject_rsp()*/
reply other threads:[~2006-07-24 20:50 UTC|newest]
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