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-rw-r--r--net/can/Kconfig2
-rw-r--r--net/can/af_can.c20
-rw-r--r--net/can/af_can.h2
-rw-r--r--net/can/bcm.c1
-rw-r--r--net/can/gw.c14
-rw-r--r--net/can/proc.c14
-rw-r--r--net/can/raw.c2
7 files changed, 28 insertions, 27 deletions
diff --git a/net/can/Kconfig b/net/can/Kconfig
index a15c0e0d1fc7..a4399be54ff4 100644
--- a/net/can/Kconfig
+++ b/net/can/Kconfig
@@ -11,7 +11,7 @@ menuconfig CAN
1991, mainly for automotive, but now widely used in marine
(NMEA2000), industrial, and medical applications.
More information on the CAN network protocol family PF_CAN
- is contained in <Documentation/networking/can.txt>.
+ is contained in <Documentation/networking/can.rst>.
If you want CAN support you should say Y here and also to the
specific driver for your controller(s) below.
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 4d7f988a3130..6da324550eec 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -321,13 +321,13 @@ EXPORT_SYMBOL(can_send);
* af_can rx path
*/
-static struct dev_rcv_lists *find_dev_rcv_lists(struct net *net,
+static struct can_dev_rcv_lists *find_dev_rcv_lists(struct net *net,
struct net_device *dev)
{
if (!dev)
return net->can.can_rx_alldev_list;
else
- return (struct dev_rcv_lists *)dev->ml_priv;
+ return (struct can_dev_rcv_lists *)dev->ml_priv;
}
/**
@@ -381,7 +381,7 @@ static unsigned int effhash(canid_t can_id)
* Reduced can_id to have a preprocessed filter compare value.
*/
static struct hlist_head *find_rcv_list(canid_t *can_id, canid_t *mask,
- struct dev_rcv_lists *d)
+ struct can_dev_rcv_lists *d)
{
canid_t inv = *can_id & CAN_INV_FILTER; /* save flag before masking */
@@ -464,7 +464,7 @@ int can_rx_register(struct net *net, struct net_device *dev, canid_t can_id,
{
struct receiver *r;
struct hlist_head *rl;
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
struct s_pstats *can_pstats = net->can.can_pstats;
int err = 0;
@@ -542,7 +542,7 @@ void can_rx_unregister(struct net *net, struct net_device *dev, canid_t can_id,
struct receiver *r = NULL;
struct hlist_head *rl;
struct s_pstats *can_pstats = net->can.can_pstats;
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
if (dev && dev->type != ARPHRD_CAN)
return;
@@ -615,7 +615,7 @@ static inline void deliver(struct sk_buff *skb, struct receiver *r)
r->matches++;
}
-static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
+static int can_rcv_filter(struct can_dev_rcv_lists *d, struct sk_buff *skb)
{
struct receiver *r;
int matches = 0;
@@ -682,7 +682,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
static void can_receive(struct sk_buff *skb, struct net_device *dev)
{
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
struct net *net = dev_net(dev);
struct s_stats *can_stats = net->can.can_stats;
int matches;
@@ -821,7 +821,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg,
void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
if (dev->type != ARPHRD_CAN)
return NOTIFY_DONE;
@@ -866,7 +866,7 @@ static int can_pernet_init(struct net *net)
{
spin_lock_init(&net->can.can_rcvlists_lock);
net->can.can_rx_alldev_list =
- kzalloc(sizeof(struct dev_rcv_lists), GFP_KERNEL);
+ kzalloc(sizeof(struct can_dev_rcv_lists), GFP_KERNEL);
if (!net->can.can_rx_alldev_list)
goto out;
net->can.can_stats = kzalloc(sizeof(struct s_stats), GFP_KERNEL);
@@ -912,7 +912,7 @@ static void can_pernet_exit(struct net *net)
rcu_read_lock();
for_each_netdev_rcu(net, dev) {
if (dev->type == ARPHRD_CAN && dev->ml_priv) {
- struct dev_rcv_lists *d = dev->ml_priv;
+ struct can_dev_rcv_lists *d = dev->ml_priv;
BUG_ON(d->entries);
kfree(d);
diff --git a/net/can/af_can.h b/net/can/af_can.h
index eca6463c6213..9cb3719632bd 100644
--- a/net/can/af_can.h
+++ b/net/can/af_can.h
@@ -67,7 +67,7 @@ struct receiver {
enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX };
/* per device receive filters linked at dev->ml_priv */
-struct dev_rcv_lists {
+struct can_dev_rcv_lists {
struct hlist_head rx[RX_MAX];
struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ];
struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ];
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 13690334efa3..ac5e5e34fee3 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -246,7 +246,6 @@ static int bcm_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations bcm_proc_fops = {
- .owner = THIS_MODULE,
.open = bcm_proc_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/net/can/gw.c b/net/can/gw.c
index 73a02af4b5d7..398dd0395ad9 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -1014,6 +1014,8 @@ static struct pernet_operations cangw_pernet_ops = {
static __init int cgw_module_init(void)
{
+ int ret;
+
/* sanitize given module parameter */
max_hops = clamp_t(unsigned int, max_hops, CGW_MIN_HOPS, CGW_MAX_HOPS);
@@ -1031,15 +1033,19 @@ static __init int cgw_module_init(void)
notifier.notifier_call = cgw_notifier;
register_netdevice_notifier(&notifier);
- if (__rtnl_register(PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, 0)) {
+ ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_GETROUTE,
+ NULL, cgw_dump_jobs, 0);
+ if (ret) {
unregister_netdevice_notifier(&notifier);
kmem_cache_destroy(cgw_cache);
return -ENOBUFS;
}
- /* Only the first call to __rtnl_register can fail */
- __rtnl_register(PF_CAN, RTM_NEWROUTE, cgw_create_job, NULL, 0);
- __rtnl_register(PF_CAN, RTM_DELROUTE, cgw_remove_job, NULL, 0);
+ /* Only the first call to rtnl_register_module can fail */
+ rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE,
+ cgw_create_job, NULL, 0);
+ rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE,
+ cgw_remove_job, NULL, 0);
return 0;
}
diff --git a/net/can/proc.c b/net/can/proc.c
index 0c59f876fe6f..fdf704e9bb8c 100644
--- a/net/can/proc.c
+++ b/net/can/proc.c
@@ -276,7 +276,6 @@ static int can_stats_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_stats_proc_fops = {
- .owner = THIS_MODULE,
.open = can_stats_proc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -310,7 +309,6 @@ static int can_reset_stats_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_reset_stats_proc_fops = {
- .owner = THIS_MODULE,
.open = can_reset_stats_proc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -329,7 +327,6 @@ static int can_version_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_version_proc_fops = {
- .owner = THIS_MODULE,
.open = can_version_proc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -338,7 +335,7 @@ static const struct file_operations can_version_proc_fops = {
static inline void can_rcvlist_proc_show_one(struct seq_file *m, int idx,
struct net_device *dev,
- struct dev_rcv_lists *d)
+ struct can_dev_rcv_lists *d)
{
if (!hlist_empty(&d->rx[idx])) {
can_print_recv_banner(m);
@@ -353,7 +350,7 @@ static int can_rcvlist_proc_show(struct seq_file *m, void *v)
/* double cast to prevent GCC warning */
int idx = (int)(long)PDE_DATA(m->file->f_inode);
struct net_device *dev;
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
struct net *net = m->private;
seq_printf(m, "\nreceive list '%s':\n", rx_list_name[idx]);
@@ -382,7 +379,6 @@ static int can_rcvlist_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_rcvlist_proc_fops = {
- .owner = THIS_MODULE,
.open = can_rcvlist_proc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -417,7 +413,7 @@ static inline void can_rcvlist_proc_show_array(struct seq_file *m,
static int can_rcvlist_sff_proc_show(struct seq_file *m, void *v)
{
struct net_device *dev;
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
struct net *net = m->private;
/* RX_SFF */
@@ -450,7 +446,6 @@ static int can_rcvlist_sff_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_rcvlist_sff_proc_fops = {
- .owner = THIS_MODULE,
.open = can_rcvlist_sff_proc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -461,7 +456,7 @@ static const struct file_operations can_rcvlist_sff_proc_fops = {
static int can_rcvlist_eff_proc_show(struct seq_file *m, void *v)
{
struct net_device *dev;
- struct dev_rcv_lists *d;
+ struct can_dev_rcv_lists *d;
struct net *net = m->private;
/* RX_EFF */
@@ -494,7 +489,6 @@ static int can_rcvlist_eff_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations can_rcvlist_eff_proc_fops = {
- .owner = THIS_MODULE,
.open = can_rcvlist_eff_proc_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/net/can/raw.c b/net/can/raw.c
index 864c80dbdb72..f2ecc43376a1 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -401,6 +401,8 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len)
if (len < sizeof(*addr))
return -EINVAL;
+ if (addr->can_family != AF_CAN)
+ return -EINVAL;
lock_sock(sk);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.