From 7734777a25999dfc7731b07b2ce55ecaaf13ebba Mon Sep 17 00:00:00 2001
From: Lance Hartmann <lance.hartmann@oracle.com>
Date: Wed, 14 Mar 2018 12:47:56 -0400
Subject: [PATCH] iscsi: Handle spdk_get_pdu() failure in
 spdk_iscsi_op_logout()

Prepares spdk_iscsi_op_logout() to handle the case where
spdk_get_pdu() will return NULL in a future patch instead
of abort()'ing.

Change-Id: I31f854741906023c734151e3b00b939cdafb2ec4
Signed-off-by: Lance Hartmann <lance.hartmann@oracle.com>
Reviewed-on: https://review.gerrithub.io/403864
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/iscsi/iscsi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/iscsi/iscsi.c b/lib/iscsi/iscsi.c
index 185e165aa..28dacade3 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -2527,6 +2527,9 @@ spdk_iscsi_op_logout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 
 	/* response PDU */
 	rsp_pdu = spdk_get_pdu();
+	if (rsp_pdu == NULL) {
+		return SPDK_ISCSI_CONNECTION_FATAL;
+	}
 	rsph = (struct iscsi_bhs_logout_resp *)&rsp_pdu->bhs;
 	rsp_pdu->data = NULL;
 	rsph->opcode = ISCSI_OP_LOGOUT_RSP;