[nginx] Resolver: fixed allocation error handling while resolving SRV.

[Roman Arutyunyan]

details:   http://hg.nginx.org/nginx/rev/a39bc74873fa
branches:  
changeset: 7039:a39bc74873fa
user:      Bart Warmerdam <bartw at xs4all.nl>
date:      Mon Jun 19 14:25:42 2017 +0300
description:
Resolver: fixed allocation error handling while resolving SRV.

diffstat:

 src/core/ngx_resolver.c |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r d1816a2696de -r a39bc74873fa src/core/ngx_resolver.c
--- a/src/core/ngx_resolver.c	Fri Jun 16 18:15:58 2017 +0300
+++ b/src/core/ngx_resolver.c	Mon Jun 19 14:25:42 2017 +0300
@@ -443,7 +443,7 @@ ngx_resolve_name(ngx_resolver_ctx_t *ctx
 
         name.data = ngx_resolver_alloc(r, name.len);
         if (name.data == NULL) {
-            return NGX_ERROR;
+            goto failed;
         }
 
         if (slen == ctx->service.len) {
@@ -481,6 +481,8 @@ ngx_resolve_name(ngx_resolver_ctx_t *ctx
         ngx_resolver_free(r, ctx->event);
     }
 
+failed:
+
     ngx_resolver_free(r, ctx);
 
     return NGX_ERROR;