# HG changeset patch
# User Ruslan Ermilov <ru@nginx.com>
# Date 1363590837 0
# Node ID 4d7027deb1bba25a7b289c130e582dd8e8739fd2
# Parent  a29c574d61facb8e00168e3675a5f6fc36cf5a43
Core: guard against failed allocation during binary upgrade.

Patch by Piotr Sikora.

diff --git a/src/core/nginx.c b/src/core/nginx.c
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -594,6 +594,9 @@ ngx_exec_new_binary(ngx_cycle_t *cycle, 
     var = ngx_alloc(sizeof(NGINX_VAR)
                     + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
                     cycle->log);
+    if (var == NULL) {
+        return NGX_INVALID_PID;
+    }
 
     p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));