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-rw-r--r--net/ax25/ax25_in.c41
-rw-r--r--net/ax25/sysctl_net_ax25.c58
2 files changed, 45 insertions, 54 deletions
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 4a5ba978a804..5f1d2107a1dd 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -200,19 +200,15 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
skb_reset_transport_header(skb);
- if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) {
- kfree_skb(skb);
- return 0;
- }
+ if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL)
+ goto free;
/*
* Parse the address header.
*/
- if (ax25_addr_parse(skb->data, skb->len, &src, &dest, &dp, &type, &dama) == NULL) {
- kfree_skb(skb);
- return 0;
- }
+ if (ax25_addr_parse(skb->data, skb->len, &src, &dest, &dp, &type, &dama) == NULL)
+ goto free;
/*
* Ours perhaps ?
@@ -239,10 +235,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
ax25_send_to_raw(&dest, skb, skb->data[1]);
- if (!mine && ax25cmp(&dest, (ax25_address *)dev->broadcast) != 0) {
- kfree_skb(skb);
- return 0;
- }
+ if (!mine && ax25cmp(&dest, (ax25_address *)dev->broadcast) != 0)
+ goto free;
/* Now we are pointing at the pid byte */
switch (skb->data[1]) {
@@ -301,10 +295,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
* If not, should we DM the incoming frame (except DMs) or
* silently ignore them. For now we stay quiet.
*/
- if (ax25_dev->values[AX25_VALUES_CONMODE] == 0) {
- kfree_skb(skb);
- return 0;
- }
+ if (ax25_dev->values[AX25_VALUES_CONMODE] == 0)
+ goto free;
/* LAPB */
@@ -339,8 +331,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
if ((*skb->data & ~AX25_PF) != AX25_DM && mine)
ax25_return_dm(dev, &src, &dest, &dp);
- kfree_skb(skb);
- return 0;
+ goto free;
}
/* b) received SABM(E) */
@@ -372,15 +363,12 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
sk->sk_ack_backlog++;
bh_unlock_sock(sk);
} else {
- if (!mine) {
- kfree_skb(skb);
- return 0;
- }
+ if (!mine)
+ goto free;
if ((ax25 = ax25_create_cb()) == NULL) {
ax25_return_dm(dev, &src, &dest, &dp);
- kfree_skb(skb);
- return 0;
+ goto free;
}
ax25_fillin_cb(ax25, ax25_dev);
@@ -436,9 +424,10 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_data_ready(sk, skb->len);
sock_put(sk);
- } else
+ } else {
+free:
kfree_skb(skb);
-
+ }
return 0;
}
diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index f288fc4aef9b..62ee3fb34732 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -24,7 +24,9 @@ static int min_idle[1], max_idle[] = {65535000};
static int min_n2[] = {1}, max_n2[] = {31};
static int min_paclen[] = {1}, max_paclen[] = {512};
static int min_proto[1], max_proto[] = { AX25_PROTO_MAX };
+#ifdef CONFIG_AX25_DAMA_SLAVE
static int min_ds_timeout[1], max_ds_timeout[] = {65535000};
+#endif
static struct ctl_table_header *ax25_table_header;
@@ -43,8 +45,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "ip_default_mode",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_ipdefmode,
.extra2 = &max_ipdefmode
},
@@ -53,8 +55,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "ax25_default_mode",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_axdefmode,
.extra2 = &max_axdefmode
},
@@ -63,8 +65,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "backoff_type",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_backoff,
.extra2 = &max_backoff
},
@@ -73,8 +75,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "connect_mode",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_conmode,
.extra2 = &max_conmode
},
@@ -83,8 +85,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "standard_window_size",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_window,
.extra2 = &max_window
},
@@ -93,8 +95,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "extended_window_size",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_ewindow,
.extra2 = &max_ewindow
},
@@ -103,8 +105,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "t1_timeout",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_t1,
.extra2 = &max_t1
},
@@ -113,8 +115,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "t2_timeout",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_t2,
.extra2 = &max_t2
},
@@ -123,8 +125,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "t3_timeout",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_t3,
.extra2 = &max_t3
},
@@ -133,8 +135,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "idle_timeout",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_idle,
.extra2 = &max_idle
},
@@ -143,8 +145,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "maximum_retry_count",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_n2,
.extra2 = &max_n2
},
@@ -153,8 +155,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "maximum_packet_length",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_paclen,
.extra2 = &max_paclen
},
@@ -163,8 +165,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "protocol",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_proto,
.extra2 = &max_proto
},
@@ -174,8 +176,8 @@ static const ctl_table ax25_param_table[] = {
.procname = "dama_slave_timeout",
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
+ .proc_handler = proc_dointvec_minmax,
+ .strategy = sysctl_intvec,
.extra1 = &min_ds_timeout,
.extra2 = &max_ds_timeout
},
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 15:37:39 +0000