Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-12 14:12:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASIX: Use only 11 bits of header for data size

Browse Source 
The AX88772B uses only 11 bits of the header for the actual size. The other bits
are used for something else. This causes dmesg full of messages:

	asix_rx_fixup() Bad Header Length

This patch trims the check to only 11 bits. I believe on older chips, the
remaining 5 top bits are unused.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marek Vasut 2011-07-26 16:44:47 +00:00 committed by David S. Miller
parent bc466e678d
commit bca0beb936
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/usb/asix.c
View File

@ -314,11 +314,11 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
skb_pull(skb, 4);
while (skb->len > 0) {
if ((header & 0xffff) != ((~header >> 16) & 0xffff))
if ((header & 0x07ff) != ((~header >> 16) & 0x07ff))
netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
/* get the packet length */
size = (u16) (header & 0x0000ffff);
size = (u16) (header & 0x000007ff);
if ((skb->len) - ((size + 1) & 0xfffe) == 0) {
u8 alignment = (unsigned long)skb->data & 0x3;