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path: root/drivers/media/usb/pvrusb2/pvrusb2-io.c
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Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-io.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-io.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-io.c b/drivers/media/usb/pvrusb2/pvrusb2-io.c
index 0c08f22bdfce..d860344de84e 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-io.c
@@ -514,12 +514,14 @@ void pvr2_stream_set_callback(struct pvr2_stream *sp,
void *data)
{
unsigned long irq_flags;
- mutex_lock(&sp->mutex); do {
+ mutex_lock(&sp->mutex);
+ do {
spin_lock_irqsave(&sp->list_lock,irq_flags);
sp->callback_data = data;
sp->callback_func = func;
spin_unlock_irqrestore(&sp->list_lock,irq_flags);
- } while(0); mutex_unlock(&sp->mutex);
+ } while(0);
+ mutex_unlock(&sp->mutex);
}
void pvr2_stream_get_stats(struct pvr2_stream *sp,
@@ -554,10 +556,12 @@ int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
{
int ret;
if (sp->buffer_target_count == cnt) return 0;
- mutex_lock(&sp->mutex); do {
+ mutex_lock(&sp->mutex);
+ do {
sp->buffer_target_count = cnt;
ret = pvr2_stream_achieve_buffer_count(sp);
- } while(0); mutex_unlock(&sp->mutex);
+ } while(0);
+ mutex_unlock(&sp->mutex);
return ret;
}
@@ -590,7 +594,8 @@ int pvr2_stream_get_ready_count(struct pvr2_stream *sp)
void pvr2_stream_kill(struct pvr2_stream *sp)
{
struct pvr2_buffer *bp;
- mutex_lock(&sp->mutex); do {
+ mutex_lock(&sp->mutex);
+ do {
pvr2_stream_internal_flush(sp);
while ((bp = pvr2_stream_get_ready_buffer(sp)) != NULL) {
pvr2_buffer_set_idle(bp);
@@ -598,7 +603,8 @@ void pvr2_stream_kill(struct pvr2_stream *sp)
if (sp->buffer_total_count != sp->buffer_target_count) {
pvr2_stream_achieve_buffer_count(sp);
}
- } while(0); mutex_unlock(&sp->mutex);
+ } while(0);
+ mutex_unlock(&sp->mutex);
}
int pvr2_buffer_queue(struct pvr2_buffer *bp)
@@ -612,7 +618,8 @@ int pvr2_buffer_queue(struct pvr2_buffer *bp)
struct pvr2_stream *sp;
if (!bp) return -EINVAL;
sp = bp->stream;
- mutex_lock(&sp->mutex); do {
+ mutex_lock(&sp->mutex);
+ do {
pvr2_buffer_wipe(bp);
if (!sp->dev) {
ret = -EIO;
@@ -636,7 +643,8 @@ int pvr2_buffer_queue(struct pvr2_buffer *bp)
buffer_complete,
bp);
usb_submit_urb(bp->purb,GFP_KERNEL);
- } while(0); mutex_unlock(&sp->mutex);
+ } while(0);
+ mutex_unlock(&sp->mutex);
return ret;
}
@@ -647,7 +655,8 @@ int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
struct pvr2_stream *sp;
if (!bp) return -EINVAL;
sp = bp->stream;
- mutex_lock(&sp->mutex); do {
+ mutex_lock(&sp->mutex);
+ do {
spin_lock_irqsave(&sp->list_lock,irq_flags);
if (bp->state != pvr2_buffer_state_idle) {
ret = -EPERM;
@@ -664,7 +673,8 @@ int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
bp->stream->i_bcount,bp->stream->i_count);
}
spin_unlock_irqrestore(&sp->list_lock,irq_flags);
- } while(0); mutex_unlock(&sp->mutex);
+ } while(0);
+ mutex_unlock(&sp->mutex);
return ret;
}