Check for null aliases list in nmsg_chalias_free.

farsightsec · Apr 14, 2015 · 7e00aef · 7e00aef
1 parent 2f06e98
commit 7e00aef
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/nmsg/chalias.c b/nmsg/chalias.c
@@ -69,6 +69,8 @@ nmsg_chalias_lookup(const char *ch, char ***alias) {
 
 void
 nmsg_chalias_free(char ***alias) {
+	if (*alias == NULL)
+		return;
 	for (char **a = *alias; *a != NULL; a++)
 		free(*a);
 	free(*alias);