net/hyperv: Correct the assignment in netvsc_recv_callback()

The first assignment to variable "net" is wrong, but overridden by the
latter assignments. So the bug isn't manifested.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 466c58a..0ae7a1a 100644 (file)
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -267,13 +267,10 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
 int netvsc_recv_callback(struct hv_device *device_obj,
                                struct hv_netvsc_packet *packet)
 {
-       struct net_device *net = dev_get_drvdata(&device_obj->device);
+       struct net_device *net;
        struct sk_buff *skb;
-       struct netvsc_device *net_device;
-
-       net_device = hv_get_drvdata(device_obj);
-       net = net_device->ndev;
 
+       net = ((struct netvsc_device *)hv_get_drvdata(device_obj))->ndev;
        if (!net) {
                netdev_err(net, "got receive callback but net device"
                        " not initialized yet\n");