19 lines
581 B
Diff
19 lines
581 B
Diff
diff -r d30e545c9a57 drivers/net/usb/smsc95xx.c
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--- a/drivers/net/usb/smsc95xx.c Mon Apr 22 16:19:09 2013 +0200
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+++ b/drivers/net/usb/smsc95xx.c Mon Apr 22 16:19:46 2013 +0200
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@@ -1714,7 +1714,13 @@
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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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