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-rw-r--r--drivers/target/iscsi/iscsi_target.c10
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");