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-rw-r--r--drivers/net/tun.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 36163a147d39..1e9da697081d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1478,23 +1478,22 @@ static struct sk_buff *tun_napi_alloc_frags(struct tun_file *tfile,
1478 skb->truesize += skb->data_len; 1478 skb->truesize += skb->data_len;
1479 1479
1480 for (i = 1; i < it->nr_segs; i++) { 1480 for (i = 1; i < it->nr_segs; i++) {
1481 struct page_frag *pfrag = &current->task_frag;
1482 size_t fragsz = it->iov[i].iov_len; 1481 size_t fragsz = it->iov[i].iov_len;
1482 struct page *page;
1483 void *frag;
1483 1484
1484 if (fragsz == 0 || fragsz > PAGE_SIZE) { 1485 if (fragsz == 0 || fragsz > PAGE_SIZE) {
1485 err = -EINVAL; 1486 err = -EINVAL;
1486 goto free; 1487 goto free;
1487 } 1488 }
1488 1489 frag = netdev_alloc_frag(fragsz);
1489 if (!skb_page_frag_refill(fragsz, pfrag, GFP_KERNEL)) { 1490 if (!frag) {
1490 err = -ENOMEM; 1491 err = -ENOMEM;
1491 goto free; 1492 goto free;
1492 } 1493 }
1493 1494 page = virt_to_head_page(frag);
1494 skb_fill_page_desc(skb, i - 1, pfrag->page, 1495 skb_fill_page_desc(skb, i - 1, page,
1495 pfrag->offset, fragsz); 1496 frag - page_address(page), fragsz);
1496 page_ref_inc(pfrag->page);
1497 pfrag->offset += fragsz;
1498 } 1497 }
1499 1498
1500 return skb; 1499 return skb;