diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2014-12-26 12:41:31 +0100 |
|---|---|---|
| committer | Antonio Quartulli <antonio@meshcoding.com> | 2015-06-03 10:58:30 +0200 |
| commit | 940d156f52d27c16f3e0890e82974d500e40e64f (patch) | |
| tree | 6da3fb491257d401d4039181f76cd1ccdb11cdad /net | |
| parent | Merge branch 'sfc-next' (diff) | |
| download | linux-940d156f52d27c16f3e0890e82974d500e40e64f.tar.xz linux-940d156f52d27c16f3e0890e82974d500e40e64f.zip | |
batman-adv: iv_ogm_aggregate_new, simplify error handling
It is just a bit easier to put the error handling at one place and let
multiple error paths use the same calls.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Diffstat (limited to 'net')
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index c5ba7a798de7..190a64299090 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -642,19 +642,16 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, if (!batadv_atomic_dec_not_zero(&bat_priv->batman_queue_left)) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "batman packet queue full\n"); - goto out; + goto out_free_outgoing; } } forw_packet_aggr = kmalloc(sizeof(*forw_packet_aggr), GFP_ATOMIC); - if (!forw_packet_aggr) { - if (!own_packet) - atomic_inc(&bat_priv->batman_queue_left); - goto out; - } + if (!forw_packet_aggr) + goto out_nomem; - if ((atomic_read(&bat_priv->aggregated_ogms)) && - (packet_len < BATADV_MAX_AGGREGATION_BYTES)) + if (atomic_read(&bat_priv->aggregated_ogms) && + packet_len < BATADV_MAX_AGGREGATION_BYTES) skb_size = BATADV_MAX_AGGREGATION_BYTES; else skb_size = packet_len; @@ -662,12 +659,8 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, skb_size += ETH_HLEN; forw_packet_aggr->skb = netdev_alloc_skb_ip_align(NULL, skb_size); - if (!forw_packet_aggr->skb) { - if (!own_packet) - atomic_inc(&bat_priv->batman_queue_left); - kfree(forw_packet_aggr); - goto out; - } + if (!forw_packet_aggr->skb) + goto out_free_forw_packet; forw_packet_aggr->skb->priority = TC_PRIO_CONTROL; skb_reserve(forw_packet_aggr->skb, ETH_HLEN); @@ -699,7 +692,12 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, send_time - jiffies); return; -out: +out_free_forw_packet: + kfree(forw_packet_aggr); +out_nomem: + if (!own_packet) + atomic_inc(&bat_priv->batman_queue_left); +out_free_outgoing: batadv_hardif_free_ref(if_outgoing); out_free_incoming: batadv_hardif_free_ref(if_incoming); |