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path: root/drivers/target/iscsi
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-rw-r--r--drivers/target/iscsi/iscsi_target_nego.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 75b685960e80..fcffd0412d83 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -773,6 +773,12 @@ static int iscsi_target_handle_csg_zero(
}
goto do_auth;
+ } else if (!payload_length) {
+ pr_err("Initiator sent zero length security payload,"
+ " login failed\n");
+ iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR,
+ ISCSI_LOGIN_STATUS_AUTH_FAILED);
+ return -1;
}
if (login->first_request)