genode/repos/dde_linux/patches/usb_csum.patch

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diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 66b3ab9..a17f054 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1730,7 +1730,13 @@ static int smsc95xx_reset_resume(struct usb_interface *intf)
static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
{
- skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2);
+ /*
+ * Use bytewise access to avoid alignment issues on packets that have none
+ * aligned sizes
+ */
+ char *tail = skb_tail_pointer(skb);
+ skb->csum = (*(tail - 2) << 8) | *(tail - 1);
2013-04-17 15:58:46 +00:00
+
skb->ip_summed = CHECKSUM_COMPLETE;
skb_trim(skb, skb->len - 2);
}