From bc818ce2d51ec9bc04a7a4bb8a07cd0893e85cfb Mon Sep 17 00:00:00 2001 From: Xie He Date: Fri, 28 Aug 2020 00:07:52 -0700 Subject: [PATCH] drivers/net/wan/hdlc_cisco: Add hard_header_len [ Upstream commit 1a545ebe380bf4c1433e3c136e35a77764fda5ad ] This driver didn't set hard_header_len. This patch sets hard_header_len for it according to its header_ops->create function. This driver's header_ops->create function (cisco_hard_header) creates a header of (struct hdlc_header), so hard_header_len should be set to sizeof(struct hdlc_header). Cc: Martin Schiller Signed-off-by: Xie He Acked-by: Krzysztof Halasa Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/wan/hdlc_cisco.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index a030f5aa6b95..cc33441af469 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -370,6 +370,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) memcpy(&state(hdlc)->settings, &new_settings, size); spin_lock_init(&state(hdlc)->lock); dev->header_ops = &cisco_header_ops; + dev->hard_header_len = sizeof(struct hdlc_header); dev->type = ARPHRD_CISCO; call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); netif_dormant_on(dev);