From ed80ce426e4c4fa8e91cb09214b5cf21023811af Mon Sep 17 00:00:00 2001
From: Pavel Hrdina <phrdina@redhat.com>
Date: Wed, 20 Sep 2023 13:45:59 +0200
Subject: [PATCH] qemu_nbdkit: fix possible null dereference

Function virGetConnectSecret() can return NULL so we need to check it
since in virSecretGetSecretString() it gets dereferenced.

Reported-by: coverity
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
---
 src/qemu/qemu_nbdkit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/qemu/qemu_nbdkit.c b/src/qemu/qemu_nbdkit.c
index 66b09cd240..17819ca992 100644
--- a/src/qemu/qemu_nbdkit.c
+++ b/src/qemu/qemu_nbdkit.c
@@ -971,6 +971,9 @@ qemuNbdkitProcessBuildCommandAuth(virStorageAuthDef *authdef,
     }
 
     conn = virGetConnectSecret();
+    if (!conn)
+        return -1;
+
     if (virSecretGetSecretString(conn,
                                  &authdef->seclookupdef,
                                  secrettype,