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Commit 02756ed4 authored by Krishna Kumar's avatar Krishna Kumar Committed by David S. Miller
Browse files

skbuff: Use correct allocation in skb_copy_ubufs 



Use correct allocation flags during copy of user space fragments
to the kernel. Also "improve" couple of for loops.

Signed-off-by: default avatarKrishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 42f59967

net/core/skbuff.c

+5 −5
Original line number Diff line number Diff line
@@ -751,7 +751,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) 
		u8 *vaddr;

		skb_frag_t *f = &skb_shinfo(skb)->frags[i];



		page = alloc_page(GFP_ATOMIC);

		page = alloc_page(gfp_mask);

		if (!page) {

			while (head) {

				struct page *next = (struct page *)head->private;
@@ -769,15 +769,15 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) 
	}



	/* skb frags release userspace buffers */

	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)

	for (i = 0; i < num_frags; i++)

		skb_frag_unref(skb, i);



	uarg->callback(uarg);



	/* skb frags point to kernel buffers */

	for (i = skb_shinfo(skb)->nr_frags; i > 0; i--) {

		__skb_fill_page_desc(skb, i-1, head, 0,

				     skb_shinfo(skb)->frags[i - 1].size);

	for (i = num_frags - 1; i >= 0; i--) {

		__skb_fill_page_desc(skb, i, head, 0,

				     skb_shinfo(skb)->frags[i].size);

		head = (struct page *)head->private;

	}