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From e52756f20cebe52713bd13672f1217d637e039f7 Mon Sep 17 00:00:00 2001
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From: John Snow <jsnow@redhat.com>
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Date: Wed, 18 Jul 2018 22:55:09 +0200
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Subject: [PATCH 251/268] nbd/server: fix nbd_co_send_block_status
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RH-Author: John Snow <jsnow@redhat.com>
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Message-id: <20180718225511.14878-34-jsnow@redhat.com>
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Patchwork-id: 81418
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O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 33/35] nbd/server: fix nbd_co_send_block_status
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Bugzilla: 1207657
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Call nbd_co_send_extents() with correct length parameter
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(extent.length may be smaller than original length).
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Also, switch length parameter type to uint32_t, to correspond with
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request->len and similar nbd_co_send_bitmap().
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Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Message-Id: <20180704112302.471456-2-vsementsov@virtuozzo.com>
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Signed-off-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 0c0eaed14721f8a9db334deb35316411c512059a)
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Signed-off-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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nbd/server.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/nbd/server.c b/nbd/server.c
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index e52b76b..ea5fe0e 100644
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--- a/nbd/server.c
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+++ b/nbd/server.c
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@@ -1910,7 +1910,7 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
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/* Get block status from the exported device and send it to the client */
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static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
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BlockDriverState *bs, uint64_t offset,
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- uint64_t length, bool last,
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+ uint32_t length, bool last,
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uint32_t context_id, Error **errp)
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{
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int ret;
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@@ -1922,7 +1922,8 @@ static int nbd_co_send_block_status(NBDClient *client, uint64_t handle,
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client, handle, -ret, "can't get block status", errp);
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}
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- return nbd_co_send_extents(client, handle, &extent, 1, length, last,
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+ return nbd_co_send_extents(client, handle, &extent, 1,
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+ be32_to_cpu(extent.length), last,
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context_id, errp);
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}
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--
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1.8.3.1
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