From: Markus Pargmann <mpa@pengutronix.de>
To: Marek Lindner <mareklindner@neomailbox.ch>,
Simon Wunderlich <sw@simonwunderlich.de>,
Antonio Quartulli <antonio@meshcoding.com>
Cc: b.a.t.m.a.n@lists.open-mesh.org
Subject: [B.A.T.M.A.N.] [PATCH 19/31] batman-adv: iv_ogm_aggregate_new, simplify error handling
Date: Tue, 2 Dec 2014 12:16:37 +0100 [thread overview]
Message-ID: <1417519009-20699-20-git-send-email-mpa@pengutronix.de> (raw)
In-Reply-To: <1417519009-20699-1-git-send-email-mpa@pengutronix.de>
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>
---
bat_iv_ogm.c | 24 +++++++++++-------------
1 file changed, 11 insertions(+), 13 deletions(-)
diff --git a/bat_iv_ogm.c b/bat_iv_ogm.c
index 232cd9ab3e6e..1f3ed3173005 100644
--- a/bat_iv_ogm.c
+++ b/bat_iv_ogm.c
@@ -647,14 +647,11 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff,
}
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);
@@ -699,6 +692,11 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff,
send_time - jiffies);
return;
+out_free_forw_packet:
+ kfree(forw_packet_aggr);
+out_nomem:
+ if (!own_packet)
+ atomic_inc(&bat_priv->batman_queue_left);
out:
batadv_hardif_free_ref(if_outgoing);
out_free_incoming:
--
2.1.3
next prev parent reply other threads:[~2014-12-02 11:16 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 11:16 [B.A.T.M.A.N.] [PATCH 00/31] batman-adv: Cleanups Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 01/31] batman-adv: debugfs, avoid compiling for !DEBUG_FS Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 02/31] batman-adv: Separate logging header Markus Pargmann
2014-12-02 15:59 ` Martin Hundebøll
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 03/31] batman-adv: iv_ogm, Reduce code duplication Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 04/31] batman-adv: iv_ogm, divide and round for ring buffer avg Markus Pargmann
2015-01-12 15:52 ` Simon Wunderlich
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 05/31] batman-adv: init, Add some error handling Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 06/31] batman-adv: tvlv realloc, move error handling into if block Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 07/31] batman-adv: split tvlv into a seperate file Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 08/31] batman-adv: hash, remove function implementations from header Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 09/31] batman-adv: hash, Add helper functions Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 10/31] batman-adv: hash, replace direct hash structure accesses Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 11/31] batman-adv: hash, make struct hashtable private Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 12/31] batman-adv: hash, add used linux headers Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 13/31] batman-adv: Makefile, Sort alphabetically Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 14/31] batman-adv: iv_ogm_iface_enable, direct return values Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 15/31] batman-adv: iv_ogm_aggr_packet, bool return value Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 16/31] batman-adv: iv_ogm_send_to_if, declare char* as const Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 17/31] batman-adv: iv_ogm_can_aggregate, code readability Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 18/31] batman-adv: iv_ogm_orig_update, remove unnecessary brackets Markus Pargmann
2014-12-02 11:16 ` Markus Pargmann [this message]
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 20/31] batman-adv: iv_ogm_queue_add, Simplify expressions Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 21/31] batman-adv: iv_ogm_orig_update, style, add missin brackets Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 22/31] batman-adv: iv_ogm, Fix dup_status comment Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 23/31] batman-adv: iv_ogm, fix coding style Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 24/31] batman-adv: iv_ogm, fix comment function name Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 25/31] batman-adv: types, Fix comment on bcast_own Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 26/31] batman-adv: main, Convert is_my_mac() to bool Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 27/31] batman-adv: main, batadv_compare_eth return bool Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 28/31] batman-adv: Remove unnecessary ret variable Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 29/31] batman-adv: Remove unnecessary ret variable in algo_register Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 30/31] batman-adv: packet.h, add some missing includes Markus Pargmann
2014-12-02 11:16 ` [B.A.T.M.A.N.] [PATCH 31/31] batman-adv: types.h, add missing include Markus Pargmann
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