From 5a46e0f95664bb65e3256f3c53b14b8a627c656b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 9 Feb 2012 00:46:47 +0000
Subject: isdn: type bug in isdn_net_header()

We use len to store the return value from eth_header().  eth_header()
can return -ETH_HLEN (-14).  We want to pass this back instead of
truncating it to 65522 and returning that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 2339d73..802ab87 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1901,7 +1901,7 @@ static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
 {
 	isdn_net_local *lp = netdev_priv(dev);
 	unsigned char *p;
-	ushort len = 0;
+	int len = 0;
 
 	switch (lp->p_encap) {
 		case ISDN_NET_ENCAP_ETHER:
-- 
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