From: Peter Krempa <pkrempa@redhat.com>
Date: Thu, 12 Oct 2017 17:26:10 +0000 (+0200)
Subject: util: storagefile: Tolerate NULL path when looking up volume in chain
X-Git-Tag: v3.9.0-rc1~141
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3fb414e77c23a0c454678185516d718ab7044bb;p=thirdparty%2Flibvirt.git

util: storagefile: Tolerate NULL path when looking up volume in chain

chain->path may be NULL e.g. for NBD drives, so the check needs to avoid
dereferencing the path in such case
---

diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 59aca2c397..a9d8e59405 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1610,7 +1610,7 @@ virStorageFileChainLookup(virStorageSourcePtr chain,
                 break;
         } else {
             if (STREQ_NULLABLE(name, chain->relPath) ||
-                STREQ(name, chain->path))
+                STREQ_NULLABLE(name, chain->path))
                 break;
 
             if (nameIsFile && virStorageSourceIsLocalStorage(chain)) {