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net: ax25: remove route refcount

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Nothing takes the refcount since v4.9.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-01-26 11:11:00 -08:00 committed by David S. Miller
parent 8b0fdcdc3a
commit 560e08eda7
2 changed files with 2 additions and 15 deletions
include/net
ax25.h
net/ax25
ax25_route.c

12
include/net/ax25.h
View File

@ -187,18 +187,12 @@ typedef struct {
typedef struct ax25_route {
struct ax25_route *next;
refcount_t refcount;
ax25_address callsign;
struct net_device *dev;
ax25_digi *digipeat;
char ip_mode;
} ax25_route;
static inline void ax25_hold_route(ax25_route *ax25_rt)
{
refcount_inc(&ax25_rt->refcount);
}
void __ax25_put_route(ax25_route *ax25_rt);
extern rwlock_t ax25_route_lock;
@ -213,12 +207,6 @@ static inline void ax25_route_lock_unuse(void)
read_unlock(&ax25_route_lock);
}
static inline void ax25_put_route(ax25_route *ax25_rt)
{
if (refcount_dec_and_test(&ax25_rt->refcount))
__ax25_put_route(ax25_rt);
}
typedef struct {
char slave; /* slave_mode? */
struct timer_list slave_timer; /* timeout timer */

5
net/ax25/ax25_route.c
View File

@ -111,7 +111,6 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
return -ENOMEM;
}
refcount_set(&ax25_rt->refcount, 1);
ax25_rt->callsign = route->dest_addr;
ax25_rt->dev = ax25_dev->dev;
ax25_rt->digipeat = NULL;
@ -160,12 +159,12 @@ static int ax25_rt_del(struct ax25_routes_struct *route)
ax25cmp(&route->dest_addr, &s->callsign) == 0) {
if (ax25_route_list == s) {
ax25_route_list = s->next;
ax25_put_route(s);
__ax25_put_route(s);
} else {
for (t = ax25_route_list; t != NULL; t = t->next) {
if (t->next == s) {
t->next = s->next;
ax25_put_route(s);
__ax25_put_route(s);
break;
}
}