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media: dvb-core: 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: devendra sharma <devendra.sharma9091@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Kees Cook 2017-10-16 19:10:47 -04:00 committed by Mauro Carvalho Chehab
parent 12a83612ed
commit e7e0e2cfd1
1 changed files with 3 additions and 5 deletions
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8
drivers/media/dvb-core/dmxdev.c
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@ -329,9 +329,9 @@ static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter,
return 0;
}
static void dvb_dmxdev_filter_timeout(unsigned long data)
static void dvb_dmxdev_filter_timeout(struct timer_list *t)
{
struct dmxdev_filter *dmxdevfilter = (struct dmxdev_filter *)data;
struct dmxdev_filter *dmxdevfilter = from_timer(dmxdevfilter, t, timer);
dmxdevfilter->buffer.error = -ETIMEDOUT;
spin_lock_irq(&dmxdevfilter->dev->lock);
@ -346,8 +346,6 @@ static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
del_timer(&dmxdevfilter->timer);
if (para->timeout) {
dmxdevfilter->timer.function = dvb_dmxdev_filter_timeout;
dmxdevfilter->timer.data = (unsigned long)dmxdevfilter;
dmxdevfilter->timer.expires =
jiffies + 1 + (HZ / 2 + HZ * para->timeout) / 1000;
add_timer(&dmxdevfilter->timer);
@ -754,7 +752,7 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192);
dmxdevfilter->type = DMXDEV_TYPE_NONE;
dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED);
init_timer(&dmxdevfilter->timer);
timer_setup(&dmxdevfilter->timer, dvb_dmxdev_filter_timeout, 0);
dvbdev->users++;