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: Mauro Carvalho Chehab <[email protected]> Cc: devendra sharma <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> --- drivers/media/dvb-core/dmxdev.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 18e4230865be..3ddd44e1ee77 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -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++; -- 2.7.4 -- Kees Cook Pixel Security
