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Date: Fri, 28 Aug 2020 00:07:52 -0700 From: Xie He <xie.he.0141@...il.com> To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Krzysztof Halasa <khc@...waw.pl>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Xie He <xie.he.0141@...il.com>, Martin Schiller <ms@....tdt.de> Subject: [PATCH net] drivers/net/wan/hdlc_cisco: Add hard_header_len 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 <ms@....tdt.de> Signed-off-by: Xie He <xie.he.0141@...il.com> --- 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 d8cba3625c18..444130655d8e 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); -- 2.25.1
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