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Subject[PATCH 238/270] vhost: fix mergeable bufs on BE hosts
Date
3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Michael S. Tsirkin" <mst@redhat.com>

commit 910a578f7e9400a78a3b13aba0b4d2df16a2cb05 upstream.

We copy head count to a 16 bit field, this works by chance on LE but on
BE guest gets 0. Fix it up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Alexander Graf <agraf@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/vhost/net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index f82a739..3c4dcc3d9 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -379,7 +379,8 @@ static void handle_rx(struct vhost_net *net)
.hdr.gso_type = VIRTIO_NET_HDR_GSO_NONE
};
size_t total_len = 0;
- int err, headcount, mergeable;
+ int err, mergeable;
+ s16 headcount;
size_t vhost_hlen, sock_hlen;
size_t vhost_len, sock_len;
/* TODO: check that we are running from vhost_worker? */
--
1.7.9.5


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