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/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index 6e85a75..5ce7b9e 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -800,8 +800,8 @@
/* Loop thru additional data fragments and queue them */
if (skb_shinfo(skb)->nr_frags) {
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- maplen = frag->size;
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+ maplen = skb_frag_size(frag);
mapaddr = skb_frag_dma_map(&c2dev->pcidev->dev, frag,
0, maplen, DMA_TO_DEVICE);
elem = elem->next;