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: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8b6d38f..c011d7f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -751,7 +751,7 @@
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 @@
}
/* 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;
}