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batman-adv: Check return value of try_module_get

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New operations should not be started when they need an increased module
reference counter and try_module_get failed.

This patch addresses Coverity #712284: Unchecked return value

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Sven Eckelmann
2012-08-20 23:37:26 +02:00
committed by Antonio Quartulli
parent 8e7c15d6b5
commit bd5b80d51a
4 changed files with 12 additions and 18 deletions
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10
net/batman-adv/main.c
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@@ -160,16 +160,6 @@ void batadv_mesh_free(struct net_device *soft_iface)
atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
}
void batadv_inc_module_count(void)
{
try_module_get(THIS_MODULE);
}
void batadv_dec_module_count(void)
{
module_put(THIS_MODULE);
}
int batadv_is_my_mac(const uint8_t *addr)
{
const struct batadv_hard_iface *hard_iface;