net: add skb frag size accessors
To ease skb->truesize sanitization, its better to be able to localize
all references to skb frags size.
Define accessors : skb_frag_size() to fetch frag size, and
skb_frag_size_{set|add|sub}() to manipulate it.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index 710c4ae..7ece990 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -4700,7 +4700,7 @@
++hw->tx_int_cnt;
dma_buf = DMA_BUFFER(desc);
- dma_buf->len = this_frag->size;
+ dma_buf->len = skb_frag_size(this_frag);
dma_buf->dma = pci_map_single(
hw_priv->pdev,