Null check before dereference

Fix Coverity error CID 56880 Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
c-ares · Sep 30, 2014 · 13dc480 · 13dc480
1 parent 880ec44
commit 13dc480
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ares_options.c b/ares_options.c
@@ -158,6 +158,9 @@ int ares_set_servers_csv(ares_channel channel,
      return ARES_SUCCESS; /* blank all servers */
 
   csv = malloc(i + 2);
+  if (!csv)
+    return ARES_ENOMEM;
+
   strcpy(csv, _csv);
   if (csv[i-1] != ',') { /* make parsing easier by ensuring ending ',' */
     csv[i] = ',';