fix potential segfault,

found by Coverity's Scan

diff --git a/src/core/nginx.c b/src/core/nginx.c
index df6c72cfda18260111d7dd310ea0bb48b2c0e76d..b758775e3eca241892da0f52b034159759ca71d1 100644 (file)
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -438,6 +438,9 @@ ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
     }
 
     var = ngx_array_push(&ccf->env);
+    if (var == NULL) {
+        return NULL;
+    }
 
     var->len = 2;
     var->data = (u_char *) "TZ";