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Diffstat (limited to 'net/ax25/ax25_route.c')
-rw-r--r--net/ax25/ax25_route.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 9ecf6f1df86..d39097737e3 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -23,6 +23,7 @@
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
+#include <linux/slab.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
@@ -31,12 +32,12 @@
#include <linux/spinlock.h>
#include <net/sock.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/seq_file.h>
+#include <linux/export.h>
static ax25_route *ax25_route_list;
static DEFINE_RWLOCK(ax25_route_lock);
@@ -45,7 +46,7 @@ void ax25_rt_device_down(struct net_device *dev)
{
ax25_route *s, *t, *ax25_rt;
- write_lock(&ax25_route_lock);
+ write_lock_bh(&ax25_route_lock);
ax25_rt = ax25_route_list;
while (ax25_rt != NULL) {
s = ax25_rt;
@@ -68,7 +69,7 @@ void ax25_rt_device_down(struct net_device *dev)
}
}
}
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
}
static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
@@ -82,7 +83,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
if (route->digi_count > AX25_MAX_DIGIS)
return -EINVAL;
- write_lock(&ax25_route_lock);
+ write_lock_bh(&ax25_route_lock);
ax25_rt = ax25_route_list;
while (ax25_rt != NULL) {
@@ -92,7 +93,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
ax25_rt->digipeat = NULL;
if (route->digi_count != 0) {
if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return -ENOMEM;
}
ax25_rt->digipeat->lastrepeat = -1;
@@ -102,14 +103,14 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
ax25_rt->digipeat->calls[i] = route->digi_addr[i];
}
}
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return 0;
}
ax25_rt = ax25_rt->next;
}
if ((ax25_rt = kmalloc(sizeof(ax25_route), GFP_ATOMIC)) == NULL) {
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return -ENOMEM;
}
@@ -120,7 +121,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
ax25_rt->ip_mode = ' ';
if (route->digi_count != 0) {
if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
kfree(ax25_rt);
return -ENOMEM;
}
@@ -133,7 +134,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
}
ax25_rt->next = ax25_route_list;
ax25_route_list = ax25_rt;
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return 0;
}
@@ -152,7 +153,7 @@ static int ax25_rt_del(struct ax25_routes_struct *route)
if ((ax25_dev = ax25_addr_ax25dev(&route->port_addr)) == NULL)
return -EINVAL;
- write_lock(&ax25_route_lock);
+ write_lock_bh(&ax25_route_lock);
ax25_rt = ax25_route_list;
while (ax25_rt != NULL) {
@@ -174,7 +175,7 @@ static int ax25_rt_del(struct ax25_routes_struct *route)
}
}
}
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return 0;
}
@@ -188,7 +189,7 @@ static int ax25_rt_opt(struct ax25_route_opt_struct *rt_option)
if ((ax25_dev = ax25_addr_ax25dev(&rt_option->port_addr)) == NULL)
return -EINVAL;
- write_lock(&ax25_route_lock);
+ write_lock_bh(&ax25_route_lock);
ax25_rt = ax25_route_list;
while (ax25_rt != NULL) {
@@ -216,7 +217,7 @@ static int ax25_rt_opt(struct ax25_route_opt_struct *rt_option)
}
out:
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
return err;
}
@@ -249,6 +250,7 @@ int ax25_rt_ioctl(unsigned int cmd, void __user *arg)
#ifdef CONFIG_PROC_FS
static void *ax25_rt_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(ax25_route_lock)
{
struct ax25_route *ax25_rt;
int i = 1;
@@ -274,6 +276,7 @@ static void *ax25_rt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void ax25_rt_seq_stop(struct seq_file *seq, void *v)
+ __releases(ax25_route_lock)
{
read_unlock(&ax25_route_lock);
}
@@ -409,7 +412,7 @@ int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
{
ax25_uid_assoc *user;
ax25_route *ax25_rt;
- int err;
+ int err = 0;
if ((ax25_rt = ax25_get_route(addr, NULL)) == NULL)
return -EHOSTUNREACH;
@@ -419,7 +422,7 @@ int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
goto put;
}
- user = ax25_findbyuid(current->euid);
+ user = ax25_findbyuid(current_euid());
if (user) {
ax25->source_addr = user->call;
ax25_uid_put(user);
@@ -450,7 +453,7 @@ int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
put:
ax25_put_route(ax25_rt);
- return 0;
+ return err;
}
struct sk_buff *ax25_rt_build_path(struct sk_buff *skb, ax25_address *src,
@@ -471,7 +474,7 @@ struct sk_buff *ax25_rt_build_path(struct sk_buff *skb, ax25_address *src,
if (skb->sk != NULL)
skb_set_owner_w(skbn, skb->sk);
- kfree_skb(skb);
+ consume_skb(skb);
skb = skbn;
}
@@ -490,7 +493,7 @@ void __exit ax25_rt_free(void)
{
ax25_route *s, *ax25_rt = ax25_route_list;
- write_lock(&ax25_route_lock);
+ write_lock_bh(&ax25_route_lock);
while (ax25_rt != NULL) {
s = ax25_rt;
ax25_rt = ax25_rt->next;
@@ -498,5 +501,5 @@ void __exit ax25_rt_free(void)
kfree(s->digipeat);
kfree(s);
}
- write_unlock(&ax25_route_lock);
+ write_unlock_bh(&ax25_route_lock);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 23:55:48 +0000