diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/skbuff.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 7cba279e7138..1ba8f0163744 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2718,19 +2718,20 @@ EXPORT_SYMBOL(skb_checksum); /* Both of above in one bottle. */ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, - u8 *to, int len, __wsum csum) + u8 *to, int len) { int start = skb_headlen(skb); int i, copy = start - offset; struct sk_buff *frag_iter; int pos = 0; + __wsum csum = 0; /* Copy header. */ if (copy > 0) { if (copy > len) copy = len; csum = csum_partial_copy_nocheck(skb->data + offset, to, - copy, csum); + copy); if ((len -= copy) == 0) return csum; offset += copy; @@ -2760,7 +2761,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, vaddr = kmap_atomic(p); csum2 = csum_partial_copy_nocheck(vaddr + p_off, to + copied, - p_len, 0); + p_len); kunmap_atomic(vaddr); csum = csum_block_add(csum, csum2, pos); pos += p_len; @@ -2786,7 +2787,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, copy = len; csum2 = skb_copy_and_csum_bits(frag_iter, offset - start, - to, copy, 0); + to, copy); csum = csum_block_add(csum, csum2, pos); if ((len -= copy) == 0) return csum; @@ -3006,7 +3007,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to) csum = 0; if (csstart != skb->len) csum = skb_copy_and_csum_bits(skb, csstart, to + csstart, - skb->len - csstart, 0); + skb->len - csstart); if (skb->ip_summed == CHECKSUM_PARTIAL) { long csstuff = csstart + skb->csum_offset; @@ -3927,7 +3928,7 @@ normal: skb_copy_and_csum_bits(head_skb, offset, skb_put(nskb, len), - len, 0); + len); SKB_GSO_CB(nskb)->csum_start = skb_headroom(nskb) + doffset; } else { |