diff options
author | Mark Brown <broonie@kernel.org> | 2015-09-04 17:16:39 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2015-09-04 17:16:39 +0100 |
commit | 04782ca20a8ebb5acf0c35756a38964ae5ea7321 (patch) | |
tree | ebf475793bb17444d3a1e21974617f27e8ff3a4b /net/can/af_can.c | |
parent | d5b98eb12420ce856caaf57dc5256eedc56a3747 (diff) | |
parent | 17649c90ff4c5246bb4babf6260029968a6d119d (diff) |
Merge branch 'topic/smbus-block' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-core
Diffstat (limited to 'net/can/af_can.c')
-rw-r--r-- | net/can/af_can.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c index 7933e62a7318..166d436196c1 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -89,6 +89,8 @@ struct timer_list can_stattimer; /* timer for statistics update */ struct s_stats can_stats; /* packet statistics */ struct s_pstats can_pstats; /* receive list statistics */ +static atomic_t skbcounter = ATOMIC_INIT(0); + /* * af_can socket functions */ @@ -310,12 +312,8 @@ int can_send(struct sk_buff *skb, int loop) return err; } - if (newskb) { - if (!(newskb->tstamp.tv64)) - __net_timestamp(newskb); - + if (newskb) netif_rx_ni(newskb); - } /* update statistics */ can_stats.tx_frames++; @@ -683,6 +681,10 @@ static void can_receive(struct sk_buff *skb, struct net_device *dev) can_stats.rx_frames++; can_stats.rx_frames_delta++; + /* create non-zero unique skb identifier together with *skb */ + while (!(can_skb_prv(skb)->skbcnt)) + can_skb_prv(skb)->skbcnt = atomic_inc_return(&skbcounter); + rcu_read_lock(); /* deliver the packet to sockets listening on all devices */ |