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authorEric Dumazet <eric.dumazet@gmail.com>2011-10-18 21:00:24 +0000
committerDavid S. Miller <davem@davemloft.net>2011-10-19 03:10:46 -0400
commit9e903e085262ffbf1fc44a17ac06058aca03524a (patch)
tree4acefc97ba38c1733474d25c0b2053b56af97db1 /net/appletalk
parentdd767856a36e00b631d65ebc4bb81b19915532d6 (diff)
downloadtalos-op-linux-9e903e085262ffbf1fc44a17ac06058aca03524a.tar.gz
talos-op-linux-9e903e085262ffbf1fc44a17ac06058aca03524a.zip
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>
Diffstat (limited to 'net/appletalk')
-rw-r--r--net/appletalk/ddp.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b1fe7c35e8d1..bfa9ab93eda5 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -951,13 +951,12 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
/* checksum stuff in frags */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
-
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
WARN_ON(start > offset + len);
- end = start + skb_shinfo(skb)->frags[i].size;
+ end = start + skb_frag_size(frag);
if ((copy = end - offset) > 0) {
u8 *vaddr;
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
if (copy > len)
copy = len;
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