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authorMike Christie <michaelc@cs.wisc.edu>2006-07-24 15:47:45 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-07-28 11:49:50 -0500
commit40527afea1a3b18ee5754e17d6f807176e03f1f2 (patch)
tree940bc089d28a5fe37ea2bae4b5532b090d9598e3 /drivers/scsi
parentc8dc1e523b0f1e6dd71cdabd8c7d7587c6dc27f9 (diff)
downloadop-kernel-dev-40527afea1a3b18ee5754e17d6f807176e03f1f2.zip
op-kernel-dev-40527afea1a3b18ee5754e17d6f807176e03f1f2.tar.gz
[SCSI] iscsi bugfixes: pass errors from complete_pdu to caller
Must pass ISCSI_ERR values from the recv path and propogate them upwards. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/iscsi_tcp.c2
-rw-r--r--drivers/scsi/libiscsi.c27
2 files changed, 19 insertions, 10 deletions
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_conn *conn, struct iscsi_hdr *hdr,
* 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_conn *conn, struct iscsi_hdr *hdr,
}
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_conn *conn, struct iscsi_hdr *hdr,
} 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()*/
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