net/core/user_dma.c: Use frag list abstraction interfaces. (285e4280) · Commits · e / devices / android_kernel_oneplus_sm7250

net/core/user_dma.c

+22 −24

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
		{
		int start = skb_headlen(skb);
		int i, copy = start - offset;
		struct sk_buff *frag_iter;
		dma_cookie_t cookie = 0;

		/* Copy header. */
		@@ -94,21 +95,19 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
		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;
		copy = end - offset;
		if (copy > 0) {
		if (copy > len)
		copy = len;
		cookie = dma_skb_copy_datagram_iovec(chan, list,
		offset - start, to, copy,
		cookie = dma_skb_copy_datagram_iovec(chan, frag_iter,
		offset - start,
		to, copy,
		pinned_list);
		if (cookie < 0)
		goto fault;
		@@ -119,7 +118,6 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
		}
		start = end;
		}
		}

		end:
		if (!len) {