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| author | Arshad Hussain <arshad.hussain@calsoftinc.com> | 2014-03-14 15:28:59 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-07 01:48:47 -0700 |
| commit | a3662605f66473124501e8c12f7ff44999917e23 (patch) | |
| tree | 204616d26cb68118fd2b2084785855566c15e8f9 /drivers/target | |
| parent | 9e961ae73c2ce81387e9b375231d4aefe5ffa13e (diff) | |
| download | linux-a3662605f66473124501e8c12f7ff44999917e23.tar.gz linux-a3662605f66473124501e8c12f7ff44999917e23.tar.bz2 linux-a3662605f66473124501e8c12f7ff44999917e23.zip | |
iscsi-target: Add missing NopOUT->flag (LMB) sanity check
This patch adds check for NopOUT->flag (LMB) which is a mandatory
as per RFC 3720 Section 10.18.
(Fix up context changes for v3.14-rc code - nab)
Signed-off-by: Arshad Hussain <arshad.hussain@calsoftinc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index b83ec378d04f..df0456abc4fd 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1503,6 +1503,16 @@ int iscsit_setup_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, { u32 payload_length = ntoh24(hdr->dlength); + if (!(hdr->flags & ISCSI_FLAG_CMD_FINAL)) { + pr_err("NopOUT Flag's, Left Most Bit not set, protocol error.\n"); + if (!cmd) + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); + + return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); + } + if (hdr->itt == RESERVED_ITT && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) { pr_err("NOPOUT ITT is reserved, but Immediate Bit is" " not set, protocol error.\n"); |