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rose: Set the destination address in rose_header

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Not setting the destination address is a bug that I suspect causes no
problems today, as only the arp code seems to call dev_hard_header and
the description I have of rose is that it is expected to be used with a
static neigbour table.

I have derived the offset and the length of the rose destination address
from rose_rebuild_header where arp_find calls neigh_ha_snapshot to set
the destination address.

Cc: Ralf Baechle <[email protected]>
Cc: [email protected]
Signed-off-by: "Eric W. Biederman" <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric W. Biederman 2015-03-02 00:01:30 -06:00 • committed by David S. Miller
commit b753af31ab
1 changed files with 3 additions and 0 deletions
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3
net/rose/rose_dev.c
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@ -41,6 +41,9 @@ static int rose_header(struct sk_buff *skb, struct net_device *dev,
{
unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);
if (daddr)
memcpy(buff + 7, daddr, dev->addr_len);
*buff++ = ROSE_GFI | ROSE_Q_BIT;
*buff++ = 0x00;
*buff++ = ROSE_DATA;