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-rw-r--r--net/can/af_can.c18
-rw-r--r--net/can/gw.c15
-rw-r--r--net/can/proc.c3
3 files changed, 16 insertions, 20 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c
index ddac1ee2ed20..c48e5220bbac 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -516,7 +516,6 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
{
struct receiver *r = NULL;
struct hlist_head *rl;
- struct hlist_node *next;
struct dev_rcv_lists *d;
if (dev && dev->type != ARPHRD_CAN)
@@ -540,7 +539,7 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
* been registered before.
*/
- hlist_for_each_entry_rcu(r, next, rl, list) {
+ hlist_for_each_entry_rcu(r, rl, list) {
if (r->can_id == can_id && r->mask == mask &&
r->func == func && r->data == data)
break;
@@ -552,7 +551,7 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
* will be NULL, while r will point to the last item of the list.
*/
- if (!next) {
+ if (!r) {
printk(KERN_ERR "BUG: receive list entry not found for "
"dev %s, id %03X, mask %03X\n",
DNAME(dev), can_id, mask);
@@ -590,7 +589,6 @@ static inline void deliver(struct sk_buff *skb, struct receiver *r)
static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
{
struct receiver *r;
- struct hlist_node *n;
int matches = 0;
struct can_frame *cf = (struct can_frame *)skb->data;
canid_t can_id = cf->can_id;
@@ -600,7 +598,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
if (can_id & CAN_ERR_FLAG) {
/* check for error message frame entries only */
- hlist_for_each_entry_rcu(r, n, &d->rx[RX_ERR], list) {
+ hlist_for_each_entry_rcu(r, &d->rx[RX_ERR], list) {
if (can_id & r->mask) {
deliver(skb, r);
matches++;
@@ -610,13 +608,13 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
}
/* check for unfiltered entries */
- hlist_for_each_entry_rcu(r, n, &d->rx[RX_ALL], list) {
+ hlist_for_each_entry_rcu(r, &d->rx[RX_ALL], list) {
deliver(skb, r);
matches++;
}
/* check for can_id/mask entries */
- hlist_for_each_entry_rcu(r, n, &d->rx[RX_FIL], list) {
+ hlist_for_each_entry_rcu(r, &d->rx[RX_FIL], list) {
if ((can_id & r->mask) == r->can_id) {
deliver(skb, r);
matches++;
@@ -624,7 +622,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
}
/* check for inverted can_id/mask entries */
- hlist_for_each_entry_rcu(r, n, &d->rx[RX_INV], list) {
+ hlist_for_each_entry_rcu(r, &d->rx[RX_INV], list) {
if ((can_id & r->mask) != r->can_id) {
deliver(skb, r);
matches++;
@@ -636,7 +634,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
return matches;
if (can_id & CAN_EFF_FLAG) {
- hlist_for_each_entry_rcu(r, n, &d->rx[RX_EFF], list) {
+ hlist_for_each_entry_rcu(r, &d->rx[RX_EFF], list) {
if (r->can_id == can_id) {
deliver(skb, r);
matches++;
@@ -644,7 +642,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb)
}
} else {
can_id &= CAN_SFF_MASK;
- hlist_for_each_entry_rcu(r, n, &d->rx_sff[can_id], list) {
+ hlist_for_each_entry_rcu(r, &d->rx_sff[can_id], list) {
deliver(skb, r);
matches++;
}
diff --git a/net/can/gw.c b/net/can/gw.c
index c185fcd5e828..2d117dc5ebea 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -457,11 +457,11 @@ static int cgw_notifier(struct notifier_block *nb,
if (msg == NETDEV_UNREGISTER) {
struct cgw_job *gwj = NULL;
- struct hlist_node *n, *nx;
+ struct hlist_node *nx;
ASSERT_RTNL();
- hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) {
+ hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) {
if (gwj->src.dev == dev || gwj->dst.dev == dev) {
hlist_del(&gwj->list);
@@ -575,12 +575,11 @@ cancel:
static int cgw_dump_jobs(struct sk_buff *skb, struct netlink_callback *cb)
{
struct cgw_job *gwj = NULL;
- struct hlist_node *n;
int idx = 0;
int s_idx = cb->args[0];
rcu_read_lock();
- hlist_for_each_entry_rcu(gwj, n, &cgw_list, list) {
+ hlist_for_each_entry_rcu(gwj, &cgw_list, list) {
if (idx < s_idx)
goto cont;
@@ -858,11 +857,11 @@ out:
static void cgw_remove_all_jobs(void)
{
struct cgw_job *gwj = NULL;
- struct hlist_node *n, *nx;
+ struct hlist_node *nx;
ASSERT_RTNL();
- hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) {
+ hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) {
hlist_del(&gwj->list);
cgw_unregister_filter(gwj);
kfree(gwj);
@@ -872,7 +871,7 @@ static void cgw_remove_all_jobs(void)
static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
struct cgw_job *gwj = NULL;
- struct hlist_node *n, *nx;
+ struct hlist_node *nx;
struct rtcanmsg *r;
struct cf_mod mod;
struct can_can_gw ccgw;
@@ -907,7 +906,7 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
ASSERT_RTNL();
/* remove only the first matching entry */
- hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) {
+ hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) {
if (gwj->flags != r->flags)
continue;
diff --git a/net/can/proc.c b/net/can/proc.c
index 497335892146..1ab8c888f102 100644
--- a/net/can/proc.c
+++ b/net/can/proc.c
@@ -195,9 +195,8 @@ static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list,
struct net_device *dev)
{
struct receiver *r;
- struct hlist_node *n;
- hlist_for_each_entry_rcu(r, n, rx_list, list) {
+ hlist_for_each_entry_rcu(r, rx_list, list) {
char *fmt = (r->can_id & CAN_EFF_FLAG)?
" %-5s %08x %08x %pK %pK %8ld %s\n" :
" %-5s %03x %08x %pK %pK %8ld %s\n";
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.