From: Marek Lindner <lindner_marek@yahoo.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Cc: Marek Lindner <lindner_marek@yahoo.de>
Subject: [B.A.T.M.A.N.] [PATCH 5/8] batman-adv: handle routing code initialization properly
Date: Tue, 7 Feb 2012 17:20:48 +0800 [thread overview]
Message-ID: <1328606451-3418-4-git-send-email-lindner_marek@yahoo.de> (raw)
In-Reply-To: <1328606451-3418-1-git-send-email-lindner_marek@yahoo.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
---
bat_iv_ogm.c | 11 ++++++++++-
hard-interface.c | 14 ++++++--------
types.h | 2 +-
3 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/bat_iv_ogm.c b/bat_iv_ogm.c
index 98c41f5..d944a0b 100644
--- a/bat_iv_ogm.c
+++ b/bat_iv_ogm.c
@@ -30,10 +30,11 @@
#include "send.h"
#include "bat_algo.h"
-static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
+static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
unsigned long random_seqno;
+ int res = -1;
/* randomize initial seqno to avoid collision */
get_random_bytes(&random_seqno, sizeof(unsigned long));
@@ -42,6 +43,9 @@ static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
hard_iface->packet_len = BATMAN_OGM_LEN;
hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
+ if (!hard_iface->packet_buff)
+ goto out;
+
batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
batman_ogm_packet->header.packet_type = BAT_OGM;
batman_ogm_packet->header.version = COMPAT_VERSION;
@@ -50,6 +54,11 @@ static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
batman_ogm_packet->tq = TQ_MAX_VALUE;
batman_ogm_packet->tt_num_changes = 0;
batman_ogm_packet->ttvn = 0;
+
+ res = 0;
+
+out:
+ return res;
}
static void bat_iv_ogm_iface_disable(struct hard_iface *hard_iface)
diff --git a/hard-interface.c b/hard-interface.c
index ec2f478..d6b25e0 100644
--- a/hard-interface.c
+++ b/hard-interface.c
@@ -310,21 +310,17 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
pr_err("Can't create batman mesh interface %s: "
"already exists as regular interface\n",
soft_iface->name);
- dev_put(soft_iface);
ret = -EINVAL;
- goto err;
+ goto err_dev;
}
hard_iface->soft_iface = soft_iface;
bat_priv = netdev_priv(hard_iface->soft_iface);
- bat_priv->bat_algo_ops->bat_iface_enable(hard_iface);
-
- if (!hard_iface->packet_buff) {
- bat_err(hard_iface->soft_iface, "Can't add interface packet "
- "(%s): out of memory\n", hard_iface->net_dev->name);
+ ret = bat_priv->bat_algo_ops->bat_iface_enable(hard_iface);
+ if (ret < 0) {
ret = -ENOMEM;
- goto err;
+ goto err_dev;
}
hard_iface->if_num = bat_priv->num_ifaces;
@@ -375,6 +371,8 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
out:
return 0;
+err_dev:
+ dev_put(soft_iface);
err:
hardif_free_ref(hard_iface);
return ret;
diff --git a/types.h b/types.h
index 5e8de0e..3df38df 100644
--- a/types.h
+++ b/types.h
@@ -370,7 +370,7 @@ struct bat_algo_ops {
struct hlist_node list;
char *name;
/* init routing info when hard-interface is enabled */
- void (*bat_iface_enable)(struct hard_iface *hard_iface);
+ int (*bat_iface_enable)(struct hard_iface *hard_iface);
/* de-init routing info when hard-interface is disabled */
void (*bat_iface_disable)(struct hard_iface *hard_iface);
/* init primary OGM when primary interface is selected */
--
1.7.5.4
next prev parent reply other threads:[~2012-02-07 9:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-07 9:19 [B.A.T.M.A.N.] B.A.T.M.A.N. V - the next steps Marek Lindner
2012-02-07 9:19 ` [B.A.T.M.A.N.] [PATCH 1/8] batman-adv: move ogm initialization into the proper function Marek Lindner
2012-02-12 14:57 ` Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 2/8] batman-adv: refactoring API: find generalized name for bat_ogm_init callback Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 3/8] batman-adv: randomize initial seqno to avoid collision Marek Lindner
2012-02-07 9:33 ` Martin Hundebøll
2012-02-07 11:10 ` Marek Lindner
2012-02-07 11:13 ` Martin Hundebøll
2012-02-07 11:50 ` Marek Lindner
2012-02-07 12:12 ` Andrew Lunn
2012-02-07 12:21 ` Marek Lindner
2012-02-07 12:46 ` Andrew Lunn
2012-02-12 15:01 ` Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 4/8] batman-adv: add iface_disable() callback to routing API Marek Lindner
2012-02-12 15:02 ` Marek Lindner
2012-02-07 9:20 ` Marek Lindner [this message]
2012-02-12 15:04 ` [B.A.T.M.A.N.] [PATCH 5/8] batman-adv: handle routing code initialization properly Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 6/8] batman-adv: refactoring API: find generalized name for bat_ogm_init_primary callback Marek Lindner
2012-02-12 15:08 ` Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 7/8] batman-adv: rename BATMAN_OGM_LEN to BATMAN_OGM_HLEN Marek Lindner
2012-02-12 15:09 ` Marek Lindner
2012-02-07 9:20 ` [B.A.T.M.A.N.] [PATCH 8/8] batman-adv: mark existing ogm variables as batman iv Marek Lindner
2012-02-12 15:11 ` Marek Lindner
2012-02-12 14:58 ` [B.A.T.M.A.N.] [PATCH 2/8] batman-adv: refactoring API: find generalized name for bat_ogm_init callback Marek Lindner
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