[Qemu-block] [PATCH] nbd: fix memory leak on socket_connect failed

[yaolujing]

From: y00357587 <address@hidden>

When TCP connection fails between nbd server and client,
the local var, sioc, memory leak.

This patch fixes the memory leak.

Signed-off-by: y00357587 <address@hidden>
---
 block/nbd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/nbd.c b/block/nbd.c
index 35f24be..102285e 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -313,6 +313,7 @@ static QIOChannelSocket 
*nbd_establish_connection(SocketAddress *saddr,
                                     saddr,
                                     &local_err);
     if (local_err) {
+        object_unref(OBJECT(sioc));
         error_propagate(errp, local_err);
         return NULL;
     }
-- 
1.8.3.1