can: dev: use skb_put_zero to simplfy code

use helper skb_put_zero to replace the pattern of skb_put() && memset()

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 3c71f1c..5bb6e88 100644 (file)
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -649,8 +649,7 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
        can_skb_prv(skb)->ifindex = dev->ifindex;
        can_skb_prv(skb)->skbcnt = 0;
 
-       *cf = skb_put(skb, sizeof(struct can_frame));
-       memset(*cf, 0, sizeof(struct can_frame));
+       *cf = skb_put_zero(skb, sizeof(struct can_frame));
 
        return skb;
 }
@@ -678,8 +677,7 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
        can_skb_prv(skb)->ifindex = dev->ifindex;
        can_skb_prv(skb)->skbcnt = 0;
 
-       *cfd = skb_put(skb, sizeof(struct canfd_frame));
-       memset(*cfd, 0, sizeof(struct canfd_frame));
+       *cfd = skb_put_zero(skb, sizeof(struct canfd_frame));
 
        return skb;
 }