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fix kernel 4.15 compile problems

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This commit is contained in:
Ralph Metzler
2018-01-18 01:05:21 +01:00
parent fc335de763
commit 00a3e78f69
2 changed files with 35 additions and 3 deletions
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34
dvb-core/dmxdev.c
View File

@@ -329,10 +329,34 @@ static int dvb_dmxdev_set_buffer_size(struct dmxdev_filter *dmxdevfilter,
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
static void dvb_dmxdev_filter_timeout(struct timer_list *t)
{
struct dmxdev_filter *dmxdevfilter = from_timer(dmxdevfilter, t, timer);
dmxdevfilter->buffer.error = -ETIMEDOUT;
spin_lock_irq(&dmxdevfilter->dev->lock);
dmxdevfilter->state = DMXDEV_STATE_TIMEDOUT;
spin_unlock_irq(&dmxdevfilter->dev->lock);
wake_up(&dmxdevfilter->buffer.queue);
}
static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
{
struct dmx_sct_filter_params *para = &dmxdevfilter->params.sec;
del_timer(&dmxdevfilter->timer);
if (para->timeout) {
dmxdevfilter->timer.expires =
jiffies + 1 + (HZ / 2 + HZ * para->timeout) / 1000;
add_timer(&dmxdevfilter->timer);
}
}
#else
static void dvb_dmxdev_filter_timeout(unsigned long data)
{
struct dmxdev_filter *dmxdevfilter = (struct dmxdev_filter *)data;
dmxdevfilter->buffer.error = -ETIMEDOUT;
spin_lock_irq(&dmxdevfilter->dev->lock);
dmxdevfilter->state = DMXDEV_STATE_TIMEDOUT;
@@ -343,7 +367,7 @@ static void dvb_dmxdev_filter_timeout(unsigned long data)
static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
{
struct dmx_sct_filter_params *para = &dmxdevfilter->params.sec;
del_timer(&dmxdevfilter->timer);
if (para->timeout) {
dmxdevfilter->timer.function = dvb_dmxdev_filter_timeout;
@@ -353,7 +377,7 @@ static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
add_timer(&dmxdevfilter->timer);
}
}
#endif
static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
const u8 *buffer2, size_t buffer2_len,
struct dmx_section_filter *filter)
@@ -755,7 +779,11 @@ 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);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
timer_setup(&dmxdevfilter->timer, dvb_dmxdev_filter_timeout, 0);
#else
init_timer(&dmxdevfilter->timer);
#endif
dvbdev->users++;

4
dvb-core/dvb_ringbuffer.c
View File

@@ -80,7 +80,11 @@ ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf)
* dvb_ringbuffer_read_user(), dvb_ringbuffer_flush(),
* or dvb_ringbuffer_reset()
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0))
free = READ_ONCE(rbuf->pread) - rbuf->pwrite;
#else
free = ACCESS_ONCE(rbuf->pread) - rbuf->pwrite;
#endif
if (free <= 0)
free += rbuf->size;
return free-1;