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batman-adv: Prefix ring_buffer non-static functions with batadv_

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batman-adv can be compiled as part of the kernel instead of an module. In that
case the linker will see all non-static symbols of batman-adv and all other
non-static symbols of the kernel. This could lead to symbol collisions. A
prefix for the batman-adv symbols that defines their private namespace avoids
such a problem.

Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2012-05-12 02:09:35 +02:00 committed by Antonio Quartulli
parent 7d211efc50
commit 925a6672fa
3 changed files with 13 additions and 11 deletions
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14
net/batman-adv/bat_iv_ogm.c
View File

@ -642,10 +642,10 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
continue;
spin_lock_bh(&tmp_neigh_node->lq_update_lock);
ring_buffer_set(tmp_neigh_node->tq_recv,
&tmp_neigh_node->tq_index, 0);
batadv_ring_buffer_set(tmp_neigh_node->tq_recv,
&tmp_neigh_node->tq_index, 0);
tmp_neigh_node->tq_avg =
ring_buffer_avg(tmp_neigh_node->tq_recv);
batadv_ring_buffer_avg(tmp_neigh_node->tq_recv);
spin_unlock_bh(&tmp_neigh_node->lq_update_lock);
}
@ -673,10 +673,10 @@ static void bat_iv_ogm_orig_update(struct bat_priv *bat_priv,
neigh_node->last_seen = jiffies;
spin_lock_bh(&neigh_node->lq_update_lock);
ring_buffer_set(neigh_node->tq_recv,
&neigh_node->tq_index,
batman_ogm_packet->tq);
neigh_node->tq_avg = ring_buffer_avg(neigh_node->tq_recv);
batadv_ring_buffer_set(neigh_node->tq_recv,
&neigh_node->tq_index,
batman_ogm_packet->tq);
neigh_node->tq_avg = batadv_ring_buffer_avg(neigh_node->tq_recv);
spin_unlock_bh(&neigh_node->lq_update_lock);
if (!is_duplicate) {

5
net/batman-adv/ring_buffer.c
View File

@ -22,13 +22,14 @@
#include "main.h"
#include "ring_buffer.h"
void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value)
void batadv_ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index,
uint8_t value)
{
lq_recv[*lq_index] = value;
*lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE;
}
uint8_t ring_buffer_avg(const uint8_t lq_recv[])
uint8_t batadv_ring_buffer_avg(const uint8_t lq_recv[])
{
const uint8_t *ptr;
uint16_t count = 0, i = 0, sum = 0;

5
net/batman-adv/ring_buffer.h
View File

@ -22,7 +22,8 @@
#ifndef _NET_BATMAN_ADV_RING_BUFFER_H_
#define _NET_BATMAN_ADV_RING_BUFFER_H_
void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value);
uint8_t ring_buffer_avg(const uint8_t lq_recv[]);
void batadv_ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index,
uint8_t value);
uint8_t batadv_ring_buffer_avg(const uint8_t lq_recv[]);
#endif /* _NET_BATMAN_ADV_RING_BUFFER_H_ */