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24 lines
687 B
Diff
24 lines
687 B
Diff
commit e3804842c60157bab0d5bf2daa42f99ec3f8499d
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Author: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
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Date: Mon Jun 2 13:24:37 2014 +0200
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csum.patch
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--- a/drivers/net/usb/smsc95xx.c
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+++ b/drivers/net/usb/smsc95xx.c
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@@ -1716,7 +1716,13 @@ static int smsc95xx_resume(struct usb_interface *intf)
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static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
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{
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- skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2);
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+ /*
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+ * Use bytewise access to avoid alignment issues on packets that have none
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+ * aligned sizes
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+ */
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+ char *tail = skb_tail_pointer(skb);
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+ skb->csum = (*(tail - 2) << 8) | *(tail - 1);
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+
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skb->ip_summed = CHECKSUM_COMPLETE;
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skb_trim(skb, skb->len - 2);
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}
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