appletalk: Use frag list abstraction interfaces. (c32ba3f9) · Commits · e / devices / android_kernel_xiaomi_markw

net/appletalk/ddp.c

+14 −17

Original line number	Diff line number	Diff line
		@@ -939,6 +939,7 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
		int len, unsigned long sum)
		{
		int start = skb_headlen(skb);
		struct sk_buff *frag_iter;
		int i, copy;

		/* checksum stuff in header space */
		@@ -977,19 +978,16 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
		start = end;
		}

		if (skb_shinfo(skb)->frag_list) {
		struct sk_buff *list = skb_shinfo(skb)->frag_list;

		for (; list; list = list->next) {
		skb_walk_frags(skb, frag_iter) {
		int end;

		WARN_ON(start > offset + len);

		end = start + list->len;
		end = start + frag_iter->len;
		if ((copy = end - offset) > 0) {
		if (copy > len)
		copy = len;
		sum = atalk_sum_skb(list, offset - start,
		sum = atalk_sum_skb(frag_iter, offset - start,
		copy, sum);
		if ((len -= copy) == 0)
		return sum;
		@@ -997,7 +995,6 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
		}
		start = end;
		}
		}

		BUG_ON(len > 0);