net/hyperv: fix wrong length of mac address

This patch fixed wrong mac length, it should be ETH_ALEN,
also replaced the hardcode 6 in hyperv_net.h

Signed-off-by: Amos Kong <kongjianjun@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 5fd6f46..e6fe0d8 100644 (file)
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -84,7 +84,7 @@ struct hv_netvsc_packet {
 };
 
 struct netvsc_device_info {
-       unsigned char mac_adr[6];
+       unsigned char mac_adr[ETH_ALEN];
        bool link_state;        /* 0 - link up, 1 - link down */
        int  ring_size;
 };

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index f825a62..8264f0e 100644 (file)
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -349,7 +349,7 @@ static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
        struct net_device_context *ndevctx = netdev_priv(ndev);
        struct hv_device *hdev =  ndevctx->device_ctx;
        struct sockaddr *addr = p;
-       char save_adr[14];
+       char save_adr[ETH_ALEN];
        unsigned char save_aatype;
        int err;