From f6e7137e7277ccf36c24ce34e9c9e51288af60ba Mon Sep 17 00:00:00 2001
From: Lance Hartmann <lance.hartmann@oracle.com>
Date: Tue, 13 Mar 2018 18:53:58 -0400
Subject: [PATCH] lib: Handle spdk_get_pdu() failure in spdk_iscsi_read_pdu()

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

Change-Id: I9ccfbf41821fb90a203fd8ad026f42fac10e9dbc
Signed-off-by: Lance Hartmann <lance.hartmann@oracle.com>
Reviewed-on: https://review.gerrithub.io/403745
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@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 999667e4a..db4ed9366 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -362,6 +362,9 @@ spdk_iscsi_read_pdu(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu **_pdu)
 
 	if (conn->pdu_in_progress == NULL) {
 		conn->pdu_in_progress = spdk_get_pdu();
+		if (conn->pdu_in_progress == NULL) {
+			return SPDK_ISCSI_CONNECTION_FATAL;
+		}
 	}
 
 	pdu = conn->pdu_in_progress;