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isdn: type bug in isdn_net_header()

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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>
This commit is contained in:
Dan Carpenter 2012-02-09 00:46:47 +00:00 committed by David S. Miller
parent 16bda13d90
commit 5a46e0f956
1 changed files with 1 additions and 1 deletions
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2
drivers/isdn/i4l/isdn_net.c
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@ -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: