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batman-adv: consolidate duplicated primary_if checking code

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Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Marek Lindner
2012-08-03 17:15:46 +02:00
committed by Antonio Quartulli
parent f03a13a716
commit 30da63a6af
6 changed files with 57 additions and 91 deletions
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36
net/batman-adv/main.c
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@@ -188,6 +188,42 @@ int batadv_is_my_mac(const uint8_t *addr)
return 0;
}
/**
* batadv_seq_print_text_primary_if_get - called from debugfs table printing
* function that requires the primary interface
* @seq: debugfs table seq_file struct
*
* Returns primary interface if found or NULL otherwise.
*/
struct batadv_hard_iface *
batadv_seq_print_text_primary_if_get(struct seq_file *seq)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
seq_printf(seq,
"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
net_dev->name);
goto out;
}
if (primary_if->if_status == BATADV_IF_ACTIVE)
goto out;
seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name);
batadv_hardif_free_ref(primary_if);
primary_if = NULL;
out:
return primary_if;
}
static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{