From: Liu Yuan <tailai.ly@taobao.com>
Date: Tue, 3 Apr 2012 10:04:21 +0000 (+0800)
Subject: sheepdog: fix send req helpers
X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~4265^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb09218077a495bc55d84de91f448f72fe78a60b;p=sdk%2Femulator%2Fqemu.git

sheepdog: fix send req helpers

We should return if reading of the header fails.

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Acked-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---

diff --git a/block/sheepdog.c b/block/sheepdog.c
index 1248534..3eaf625 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -510,6 +510,7 @@ static int send_req(int sockfd, SheepdogReq *hdr, void *data,
     ret = qemu_send_full(sockfd, hdr, sizeof(*hdr), 0);
     if (ret < sizeof(*hdr)) {
         error_report("failed to send a req, %s", strerror(errno));
+        return ret;
     }
 
     ret = qemu_send_full(sockfd, data, *wlen, 0);
@@ -528,6 +529,7 @@ static int send_co_req(int sockfd, SheepdogReq *hdr, void *data,
     ret = qemu_co_send(sockfd, hdr, sizeof(*hdr));
     if (ret < sizeof(*hdr)) {
         error_report("failed to send a req, %s", strerror(errno));
+        return ret;
     }
 
     ret = qemu_co_send(sockfd, data, *wlen);