diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-09 08:44:23 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-09 08:44:23 +0100 |
| commit | e94f16a4fde646b3f155788fe37339b61264b0a9 (patch) | |
| tree | 28f1cf8b1980b6b25c1c58e3e157610a1b851996 /net/packet/af_packet.c | |
| parent | d2b5851d8583e690eeb5ac8dfff5da92e1f1468f (diff) | |
| parent | 9eccca0843205f87c00404b663188b88eb248051 (diff) | |
Merge 4.0-rc3 into char-misc-next
We want the mei fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 9c28cec1a083..5bf1e968a728 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -698,6 +698,10 @@ static void prb_retire_rx_blk_timer_expired(unsigned long data) if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) { if (!frozen) { + if (!BLOCK_NUM_PKTS(pbd)) { + /* An empty block. Just refresh the timer. */ + goto refresh_timer; + } prb_retire_current_block(pkc, po, TP_STATUS_BLK_TMO); if (!prb_dispatch_next_block(pkc, po)) goto refresh_timer; @@ -798,7 +802,11 @@ static void prb_close_block(struct tpacket_kbdq_core *pkc1, h1->ts_last_pkt.ts_sec = last_pkt->tp_sec; h1->ts_last_pkt.ts_nsec = last_pkt->tp_nsec; } else { - /* Ok, we tmo'd - so get the current time */ + /* Ok, we tmo'd - so get the current time. + * + * It shouldn't really happen as we don't close empty + * blocks. See prb_retire_rx_blk_timer_expired(). + */ struct timespec ts; getnstimeofday(&ts); h1->ts_last_pkt.ts_sec = ts.tv_sec; @@ -1349,14 +1357,14 @@ static int packet_rcv_fanout(struct sk_buff *skb, struct net_device *dev, return 0; } + if (fanout_has_flag(f, PACKET_FANOUT_FLAG_DEFRAG)) { + skb = ip_check_defrag(skb, IP_DEFRAG_AF_PACKET); + if (!skb) + return 0; + } switch (f->type) { case PACKET_FANOUT_HASH: default: - if (fanout_has_flag(f, PACKET_FANOUT_FLAG_DEFRAG)) { - skb = ip_check_defrag(skb, IP_DEFRAG_AF_PACKET); - if (!skb) - return 0; - } idx = fanout_demux_hash(f, skb, num); break; case PACKET_FANOUT_LB: |