Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
drivers/media/usb/tlg2300/pd-alsa.c | 5 +++--
drivers/media/usb/tlg2300/pd-video.c | 5 +++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/media/usb/tlg2300/pd-alsa.c b/drivers/media/usb/tlg2300/pd-alsa.c
index 3f3e141..65c46a2 100644
--- a/drivers/media/usb/tlg2300/pd-alsa.c
+++ b/drivers/media/usb/tlg2300/pd-alsa.c
@@ -141,6 +141,7 @@ static inline void handle_audio_data(struct urb *urb, int *period_elapsed)
int len = urb->actual_length / stride;
unsigned char *cp = urb->transfer_buffer;
unsigned int oldptr = pa->rcv_position;
+ unsigned long flags;
if (urb->actual_length == AUDIO_BUF_SIZE - 4)
len -= (AUDIO_TRAILER_SIZE / stride);
@@ -156,7 +157,7 @@ static inline void handle_audio_data(struct urb *urb, int *period_elapsed)
memcpy(runtime->dma_area + oldptr * stride, cp, len * stride);
/* update the statas */
- snd_pcm_stream_lock(pa->capture_pcm_substream);
+ snd_pcm_stream_lock_irqsave(pa->capture_pcm_substream, flags);
pa->rcv_position += len;
if (pa->rcv_position >= runtime->buffer_size)
pa->rcv_position -= runtime->buffer_size;
@@ -166,7 +167,7 @@ static inline void handle_audio_data(struct urb *urb, int *period_elapsed)
pa->copied_position -= runtime->period_size;
*period_elapsed = 1;
}
- snd_pcm_stream_unlock(pa->capture_pcm_substream);
+ snd_pcm_stream_unlock_irqrestore(pa->capture_pcm_substream, flags);
}
static void complete_handler_audio(struct urb *urb)
diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c
index 8df668d..4e5bd07 100644
--- a/drivers/media/usb/tlg2300/pd-video.c
+++ b/drivers/media/usb/tlg2300/pd-video.c
@@ -151,11 +151,12 @@ static void init_copy(struct video_data *video, bool index)
static bool get_frame(struct front_face *front, int *need_init)
{
struct videobuf_buffer *vb = front->curr_frame;
+ unsigned long flags;
if (vb)
return true;
- spin_lock(&front->queue_lock);
+ spin_lock_irqsave(&front->queue_lock, flags);
if (!list_empty(&front->active)) {
vb = list_entry(front->active.next,
struct videobuf_buffer, queue);
@@ -164,7 +165,7 @@ static bool get_frame(struct front_face *front, int *need_init)
front->curr_frame = vb;
list_del_init(&vb->queue);
}
- spin_unlock(&front->queue_lock);
+ spin_unlock_irqrestore(&front->queue_lock, flags);
return !!vb;
}
--
1.7.9.5
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