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| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-04-08 17:55:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-08 22:49:36 +0200 |
| commit | 16c5dcb13a371feae0e680e6518775b5335b37d8 (patch) | |
| tree | 2dd0fe414dc67bcef0da6c4e2a19178650145fe3 /net/dsa/dsa.c | |
| parent | net: dsa: Do not check for NULL dst in tag parsers (diff) | |
| download | linux-16c5dcb13a371feae0e680e6518775b5335b37d8.tar.xz linux-16c5dcb13a371feae0e680e6518775b5335b37d8.zip | |
net: dsa: Move skb_unshare() to dsa_switch_rcv()
All DSA tag receive functions need to unshare the skb before mangling it, move
this to the generic dsa_switch_rcv() function which will allow us to make the
tag receive function return their mangled skb without caring about freeing a
NULL skb.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa/dsa.c')
| -rw-r--r-- | net/dsa/dsa.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 6cad15da5892..d370c8bfa372 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -906,6 +906,10 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, return 0; } + skb = skb_unshare(skb, GFP_ATOMIC); + if (!skb) + return 0; + return dst->rcv(skb, dev, pt, orig_dev); } |