From 8ef386e1af89a51b60859063ad1dc80332cf5faf Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Sat, 31 Jan 2009 20:33:01 +0000
Subject: [PATCH] fix return code, this fixes segfault when two or more
 simultaneous connections are resolving the same address

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

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index cbc650531..c68c7f4e4 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -626,7 +626,9 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx)
             ctx->next = rn->waiting;
             rn->waiting = ctx;
 
-            return NGX_AGAIN;
+            /* unlock addr mutex */
+
+            return NGX_OK;
         }
 
         ngx_queue_remove(&rn->queue);