From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 9 May 2018 23:49:01 +0000 (+0200)
Subject: udevadm: fix null dererefence on allocation error
X-Git-Tag: v239~287^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03d3a9d5be0879ccbf2686a528c4e686ef0c0af2;p=thirdparty%2Fsystemd.git

udevadm: fix null dererefence on allocation error

CID #1390936.
---

diff --git a/src/udev/udevadm-hwdb.c b/src/udev/udevadm-hwdb.c
index c946131fb75..646c8507f70 100644
--- a/src/udev/udevadm-hwdb.c
+++ b/src/udev/udevadm-hwdb.c
@@ -703,7 +703,8 @@ out:
         if (trie) {
                 if (trie->root)
                         trie_node_cleanup(trie->root);
-                strbuf_cleanup(trie->strings);
+                if (trie->strings)
+                        strbuf_cleanup(trie->strings);
                 free(trie);
         }
         return rc;