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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>
This commit is contained in:
Liu Yuan 2012-04-03 18:04:21 +08:00 committed by Kevin Wolf
parent 47622c44d0
commit eb09218077
1 changed files with 2 additions and 0 deletions
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2
block/sheepdog.c
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@ -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);