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author | 2013-07-07 17:45:08 -0700 | |
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committer | 2013-07-07 18:37:02 -0700 | |
commit | ca40d24eb8fc3c194b4439493ecf6b2d703812b8 (patch) | |
tree | 21f60ab15645089919328cbffffe6c78c4fdc313 /drivers/infiniband | |
parent | target: make queue_tm_rsp() return void (diff) | |
download | linux-ca40d24eb8fc3c194b4439493ecf6b2d703812b8.tar.gz linux-ca40d24eb8fc3c194b4439493ecf6b2d703812b8.tar.bz2 linux-ca40d24eb8fc3c194b4439493ecf6b2d703812b8.zip |
iser-target: Ignore non TEXT + LOGOUT opcodes for discovery
This patch adds a check in isert_rx_opcode() to ignore non TEXT + LOGOUT
opcodes when SessionType=Discovery has been negotiated.
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/infiniband')
-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); |