[PATCH] visornic: use skb_put_zero() instead of open-coded version

[Jann Horn]

Replace an open-coded version of skb_put_zero() with a call to the helper.
This is a cleanup and is also useful for potentially adding KASAN
integration to SKBs in the future.

Signed-off-by: Jann Horn <ja...@google.com>
---
 drivers/staging/unisys/visornic/visornic_main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/unisys/visornic/visornic_main.c 
b/drivers/staging/unisys/visornic/visornic_main.c
index 5eeb4b93b45b..1c1a470d2e50 100644
--- a/drivers/staging/unisys/visornic/visornic_main.c
+++ b/drivers/staging/unisys/visornic/visornic_main.c
@@ -896,9 +896,7 @@ static netdev_tx_t visornic_xmit(struct sk_buff *skb, 
struct net_device *netdev)
            ((skb_end_pointer(skb) - skb->data) >= ETH_MIN_PACKET_SIZE)) {
                /* pad the packet out to minimum size */
                padlen = ETH_MIN_PACKET_SIZE - len;
-               memset(&skb->data[len], 0, padlen);
-               skb->tail += padlen;
-               skb->len += padlen;
+               skb_put_zero(skb, padlen);
                len += padlen;
                firstfraglen += padlen;
        }
-- 
2.21.0.rc0.258.g878e2cd30e-goog