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authorKees Cook <keescook@chromium.org>2017-10-16 17:29:26 -0700
committerDavid S. Miller <davem@davemloft.net>2017-10-18 12:40:25 +0100
commit11286125326bb9d5e295c7c85fb1dc91ca2af46b (patch)
treee88425eca199f1da00931916054d14a8e25b4719 /drivers/isdn
parent5f2585d4e570f2dffd148f6e57308fb431079175 (diff)
isdnloop: 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. 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>
Diffstat (limited to 'drivers/isdn')
-rw-r--r--drivers/isdn/isdnloop/isdnloop.c33
1 files changed, 14 insertions, 19 deletions
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
index e97232646ba1..a4597e96c916 100644
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -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);