From: Igor Sysoev <igor@sysoev.ru>
Date: Thu, 27 Dec 2007 18:35:52 +0000 (+0000)
Subject: fix segfault introduced in r1780
X-Git-Tag: release-0.6.24~1
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/postgres_fdw.c?a=commitdiff_plain;h=f25abef8dc5aef26cab1e96915c7d7f98d6b31fc;p=nginx.git

fix segfault introduced in r1780
---

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index d1162095c..d7fc4d223 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -996,8 +996,10 @@ ngx_ssl_read_handler(ngx_event_t *rev)
 void
 ngx_ssl_free_buffer(ngx_connection_t *c)
 {
-    if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
-        c->ssl->buf->start = NULL;
+    if (c->ssl->buf && c->ssl->buf->start) {
+        if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
+            c->ssl->buf->start = NULL;
+        }
     }
 }