diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-09-26 20:12:45 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-09-26 20:12:45 +0200 |
| commit | 0d41da2e31e81f5c8aaabe17f769de4304b2d4c8 (patch) | |
| tree | 540acefba9bf01d3880d7bacb767fbf9b1fe80b4 /drivers/net/ppp_generic.c | |
| parent | a0089bd617adea27ebc352e1e0871649ab1dbaa6 (diff) | |
| parent | e8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6 (diff) | |
Merge branch 'pm-fixes' into pm-domains
Merge commit e8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6
(PM / Clocks: Do not acquire a mutex under a spinlock) fixing
a regression in drivers/base/power/clock_ops.c.
Conflicts:
drivers/base/power/clock_ops.c
Diffstat (limited to 'drivers/net/ppp_generic.c')
| -rw-r--r-- | drivers/net/ppp_generic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 10e5d985afa3..edfa15d2e795 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1465,7 +1465,12 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) continue; } - mtu = pch->chan->mtu - hdrlen; + /* + * hdrlen includes the 2-byte PPP protocol field, but the + * MTU counts only the payload excluding the protocol field. + * (RFC1661 Section 2) + */ + mtu = pch->chan->mtu - (hdrlen - 2); if (mtu < 4) mtu = 4; if (flen > mtu) |