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authorHerbert Xu <herbert@gondor.apana.org.au>2006-03-20 22:43:56 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-20 22:43:56 -0800
commitcbb042f9e1292434e3cacb90e67d8d381aeac5a9 (patch)
treecc42f42232e56b68111cfebdc175197d8607bdd7 /net/802
parentecba320f2e95c9a0c35011d1ecb1db4419980536 (diff)
downloadlinux-cbb042f9e1292434e3cacb90e67d8d381aeac5a9.tar.gz
[NET]: Replace skb_pull/skb_postpull_rcsum with skb_pull_rcsum
We're now starting to have quite a number of places that do skb_pull followed immediately by an skb_postpull_rcsum. We can merge these two operations into one function with skb_pull_rcsum. This makes sense since most pull operations on receive skb's need to update the checksum. I've decided to make this out-of-line since it is fairly big and the fast path where hardware checksums are enabled need to call csum_partial anyway. Since this is a brand new function we get to add an extra check on the len argument. As it is most callers of skb_pull ignore its return value which essentially means that there is no check on the len argument. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/802')
-rw-r--r--net/802/psnap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/802/psnap.c b/net/802/psnap.c
index 34e42968b47..97c95eec79e 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -61,8 +61,7 @@ static int snap_rcv(struct sk_buff *skb, struct net_device *dev,
/* Pass the frame on. */
u8 *hdr = skb->data;
skb->h.raw += 5;
- skb_pull(skb, 5);
- skb_postpull_rcsum(skb, hdr, 5);
+ skb_pull_rcsum(skb, 5);
rc = proto->rcvfunc(skb, dev, &snap_packet_type, orig_dev);
} else {
skb->sk = NULL;