diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-io.c')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-io.c | 30 |
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; } |