From ba8456442b597848fb5585273c47de8476c3a0c1 Mon Sep 17 00:00:00 2001
From: Vladimir Sementsov-Ogievskiy
Date: Fri, 4 Aug 2017 18:14:26 +0300
Subject: nbd/client: refactor nbd_receive_reply

Refactor nbd_receive_reply to return 1 on success, 0 on eof, when no
data was read and <0 for other cases, because returned size of read
data is not actually used.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20170804151440.320927-4-vsementsov@virtuozzo.com>
[eblake: tweak function comments]
Signed-off-by: Eric Blake <eblake@redhat.com>
---
 include/block/nbd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/block/nbd.h b/include/block/nbd.h
index 9c3d0a5868..f7450608b4 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -164,7 +164,7 @@ int nbd_receive_negotiate(QIOChannel *ioc, const char *name,
 int nbd_init(int fd, QIOChannelSocket *sioc, NBDExportInfo *info,
              Error **errp);
 ssize_t nbd_send_request(QIOChannel *ioc, NBDRequest *request);
-ssize_t nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp);
+int nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp);
 int nbd_client(int fd);
 int nbd_disconnect(int fd);
 
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