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isdnloop: Convert timers to use timer_setup()

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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. Added missing initialization for
rb_timer.

Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Johannes Berg <johannes.berg@intel.com>
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 17:29:26 -07:00 committed by David S. Miller
parent 5f2585d4e5
commit 1128612532
1 changed files with 14 additions and 19 deletions
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33
drivers/isdn/isdnloop/isdnloop.c
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@ -90,9 +90,9 @@ isdnloop_bchan_send(isdnloop_card *card, int ch)
* data = pointer to card struct, set by kernel timer.data
*/
static void
isdnloop_pollbchan(unsigned long data)
isdnloop_pollbchan(struct timer_list *t)
{
isdnloop_card *card = (isdnloop_card *) data;
isdnloop_card *card = from_timer(card, t, rb_timer);
unsigned long flags;
if (card->flags & ISDNLOOP_FLAGS_B1ACTIVE)
@ -305,9 +305,9 @@ isdnloop_putmsg(isdnloop_card *card, unsigned char c)
* data = pointer to card struct
*/
static void
isdnloop_polldchan(unsigned long data)
isdnloop_polldchan(struct timer_list *t)
{
isdnloop_card *card = (isdnloop_card *) data;
isdnloop_card *card = from_timer(card, t, st_timer);
struct sk_buff *skb;
int avail;
int left;
@ -373,8 +373,6 @@ isdnloop_polldchan(unsigned long data)
card->flags |= ISDNLOOP_FLAGS_RBTIMER;
spin_lock_irqsave(&card->isdnloop_lock, flags);
del_timer(&card->rb_timer);
card->rb_timer.function = isdnloop_pollbchan;
card->rb_timer.data = (unsigned long) card;
card->rb_timer.expires = jiffies + ISDNLOOP_TIMER_BCREAD;
add_timer(&card->rb_timer);
spin_unlock_irqrestore(&card->isdnloop_lock, flags);
@ -588,9 +586,10 @@ isdnloop_atimeout(isdnloop_card *card, int ch)
* Wrapper for isdnloop_atimeout().
*/
static void
isdnloop_atimeout0(unsigned long data)
isdnloop_atimeout0(struct timer_list *t)
{
isdnloop_card *card = (isdnloop_card *) data;
isdnloop_card *card = from_timer(card, t, c_timer[0]);
isdnloop_atimeout(card, 0);
}
@ -598,9 +597,10 @@ isdnloop_atimeout0(unsigned long data)
* Wrapper for isdnloop_atimeout().
*/
static void
isdnloop_atimeout1(unsigned long data)
isdnloop_atimeout1(struct timer_list *t)
{
isdnloop_card *card = (isdnloop_card *) data;
isdnloop_card *card = from_timer(card, t, c_timer[1]);
isdnloop_atimeout(card, 1);
}
@ -617,13 +617,9 @@ isdnloop_start_ctimer(isdnloop_card *card, int ch)
unsigned long flags;
spin_lock_irqsave(&card->isdnloop_lock, flags);
init_timer(&card->c_timer[ch]);
timer_setup(&card->c_timer[ch], ch ? isdnloop_atimeout1
: isdnloop_atimeout0, 0);
card->c_timer[ch].expires = jiffies + ISDNLOOP_TIMER_ALERTWAIT;
if (ch)
card->c_timer[ch].function = isdnloop_atimeout1;
else
card->c_timer[ch].function = isdnloop_atimeout0;
card->c_timer[ch].data = (unsigned long) card;
add_timer(&card->c_timer[ch]);
spin_unlock_irqrestore(&card->isdnloop_lock, flags);
}
@ -1113,10 +1109,9 @@ isdnloop_start(isdnloop_card *card, isdnloop_sdef *sdefp)
sdef.ptype);
return -EINVAL;
}
init_timer(&card->st_timer);
timer_setup(&card->rb_timer, isdnloop_pollbchan, 0);
timer_setup(&card->st_timer, isdnloop_polldchan, 0);
card->st_timer.expires = jiffies + ISDNLOOP_TIMER_DCREAD;
card->st_timer.function = isdnloop_polldchan;
card->st_timer.data = (unsigned long) card;
add_timer(&card->st_timer);
card->flags |= ISDNLOOP_FLAGS_RUNNING;
spin_unlock_irqrestore(&card->isdnloop_lock, flags);