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net: can: Convert timers to use timer_setup() 

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-can@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2017-10-16 17:29:06 -07:00 committed by David S. Miller
parent a8c22a2bbc
commit 1fccb565e8
3 changed files with 7 additions and 7 deletions
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4
net/can/af_can.c
View File

@ -882,8 +882,8 @@ static int can_pernet_init(struct net *net)
if (IS_ENABLED(CONFIG_PROC_FS)) {
/* the statistics are updated every second (timer triggered) */
if (stats_timer) {
setup_timer(&net->can.can_stattimer, can_stat_update,
(unsigned long)net);
timer_setup(&net->can.can_stattimer, can_stat_update,
0);
mod_timer(&net->can.can_stattimer,
round_jiffies(jiffies + HZ));
}

2
net/can/af_can.h
View File

@ -113,6 +113,6 @@ struct s_pstats {
/* function prototypes for the CAN networklayer procfs (proc.c) */
void can_init_proc(struct net *net);
void can_remove_proc(struct net *net);
void can_stat_update(unsigned long data);
void can_stat_update(struct timer_list *t);
#endif /* AF_CAN_H */

8
net/can/proc.c
View File

@ -115,9 +115,9 @@ static unsigned long calc_rate(unsigned long oldjif, unsigned long newjif,
return rate;
}
void can_stat_update(unsigned long data)
void can_stat_update(struct timer_list *t)
{
struct net *net = (struct net *)data;
struct net *net = from_timer(net, t, can.can_stattimer);
struct s_stats *can_stats = net->can.can_stats;
unsigned long j = jiffies; /* snapshot */
@ -221,7 +221,7 @@ static int can_stats_proc_show(struct seq_file *m, void *v)
seq_putc(m, '\n');
if (net->can.can_stattimer.function == can_stat_update) {
if (net->can.can_stattimer.function == (TIMER_FUNC_TYPE)can_stat_update) {
seq_printf(m, " %8ld %% total match ratio (RXMR)\n",
can_stats->total_rx_match_ratio);
@ -291,7 +291,7 @@ static int can_reset_stats_proc_show(struct seq_file *m, void *v)
user_reset = 1;
if (net->can.can_stattimer.function == can_stat_update) {
if (net->can.can_stattimer.function == (TIMER_FUNC_TYPE)can_stat_update) {
seq_printf(m, "Scheduled statistic reset #%ld.\n",
can_pstats->stats_reset + 1);
} else {