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authorMichael S. Tsirkin <mst@redhat.com>2012-10-24 20:37:51 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-31 10:10:18 -0700
commitde7dfdace5741d91cb273b29067ee22d125eab73 (patch)
treec58f13254eafc6853b4226ee6b053bb6b44b9f3a
parentb0bda710d6b48cdc54b902f6bce3470b42cfab6b (diff)
downloadlinux-linaro-stable-de7dfdace5741d91cb273b29067ee22d125eab73.tar.gz
vhost: fix mergeable bufs on BE hosts
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/vhost/net.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 072cbbadbc36..7f93f34b7f91 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? */