udevadm: fix null dererefence on allocation error

CID #1390936.
2018-05-10 01:49:01 +02:00 · 2018-05-10 01:49:01 +02:00 · 03d3a9d5be
parent 6a6e9c039f
commit 03d3a9d5be
1 changed files with 2 additions and 1 deletions
--- 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;