diff options
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index f02bfcc282e5..ecd16541896b 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -1066,11 +1066,19 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc, { struct iscsi_hdr *hdr = &rx_desc->iscsi_header; struct iscsi_conn *conn = isert_conn->conn; + struct iscsi_session *sess = conn->sess; struct iscsi_cmd *cmd; struct isert_cmd *isert_cmd; int ret = -EINVAL; u8 opcode = (hdr->opcode & ISCSI_OPCODE_MASK); + if (sess->sess_ops->SessionType && + (!(opcode & ISCSI_OP_TEXT) || !(opcode & ISCSI_OP_LOGOUT))) { + pr_err("Got illegal opcode: 0x%02x in SessionType=Discovery," + " ignoring\n", opcode); + return 0; + } + switch (opcode) { case ISCSI_OP_SCSI_CMD: cmd = iscsit_allocate_cmd(conn, GFP_KERNEL); |