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| author | Simon Horman <horms@verge.net.au> | 2011-01-13 10:29:21 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2011-01-13 10:29:21 +0900 |
| commit | fee1cc0895fd7bde875a86bbc3a1e82089e540b8 (patch) | |
| tree | df0a07a650229fd7aa775ca6c20a8d2939c96e72 /net/core/timestamping.c | |
| parent | ae90bdeaeac6b964b7a1e853a90a19f358a9ac20 (diff) | |
| parent | 0c21e3aaf6ae85bee804a325aa29c325209180fd (diff) | |
| download | lwn-fee1cc0895fd7bde875a86bbc3a1e82089e540b8.tar.gz lwn-fee1cc0895fd7bde875a86bbc3a1e82089e540b8.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into HEAD
Diffstat (limited to 'net/core/timestamping.c')
| -rw-r--r-- | net/core/timestamping.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/core/timestamping.c b/net/core/timestamping.c index 0ae6c22da85b..7e7ca375d431 100644 --- a/net/core/timestamping.c +++ b/net/core/timestamping.c @@ -26,12 +26,12 @@ static struct sock_filter ptp_filter[] = { PTP_FILTER }; -static unsigned int classify(struct sk_buff *skb) +static unsigned int classify(const struct sk_buff *skb) { if (likely(skb->dev && skb->dev->phydev && skb->dev->phydev->drv)) - return sk_run_filter(skb, ptp_filter, ARRAY_SIZE(ptp_filter)); + return sk_run_filter(skb, ptp_filter); else return PTP_CLASS_NONE; } @@ -96,11 +96,13 @@ bool skb_defer_rx_timestamp(struct sk_buff *skb) struct phy_device *phydev; unsigned int type; - skb_push(skb, ETH_HLEN); + if (skb_headroom(skb) < ETH_HLEN) + return false; + __skb_push(skb, ETH_HLEN); type = classify(skb); - skb_pull(skb, ETH_HLEN); + __skb_pull(skb, ETH_HLEN); switch (type) { case PTP_CLASS_V1_IPV4: |