# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1351087628 0
# Node ID 063ac68d89dca857adb66bfe918fd8329d7dd7dc
# Parent  1e666c78a42c899b76c7cb73699ec4fe9bd70605
Resolver: added missing memory allocation error handling.

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -2144,6 +2144,10 @@ ngx_resolver_rotate(ngx_resolver_t *r, i
 
     dst = ngx_resolver_alloc(r, n * sizeof(in_addr_t));
 
+    if (dst == NULL) {
+        return dst;
+    }
+
     j = ngx_random() % n;
 
     if (j == 0) {