xen-netback: return correct ethtool stats

Use correct pointer arithmetic to get the pointer to each stat.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index f38227a..3aa8648 100644 (file)
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -340,12 +340,11 @@ static void xenvif_get_ethtool_stats(struct net_device *dev,
        unsigned int num_queues = vif->num_queues;
        int i;
        unsigned int queue_index;
-       struct xenvif_stats *vif_stats;
 
        for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++) {
                unsigned long accum = 0;
                for (queue_index = 0; queue_index < num_queues; ++queue_index) {
-                       vif_stats = &vif->queues[queue_index].stats;
+                       void *vif_stats = &vif->queues[queue_index].stats;
                        accum += *(unsigned long *)(vif_stats + xenvif_stats[i].offset);
                }
                data[i] = accum;