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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index f825a629a699..8264f0ef7692 100644
--- 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;