| Message ID | 20210605091054.68866-1-o-takashi@sakamocchi.jp |
|---|---|
| State | Accepted |
| Commit | 9981b20a5e3694f4625ab5a1ddc98ce7503f6d12 |
| Headers | show |
| Series | ALSA: firewire-lib: fix the context to call snd_pcm_stop_xrun() | expand |
On Sat, 05 Jun 2021 11:10:54 +0200, Takashi Sakamoto wrote: > > In the workqueue to queue wake-up event, isochronous context is not > processed, thus it's useless to check context for the workqueue to switch > status of runtime for PCM substream to XRUN. On the other hand, in > software IRQ context of 1394 OHCI, it's needed. > > This commit fixes the bug introduced when tasklet was replaced with > workqueue. > > Cc: <stable@vger.kernel.org> > Fixes: 2b3d2987d800 ("ALSA: firewire: Replace tasklet with work") > Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Applied, thanks. Takashi
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 945597ffacc2..19c343c53585 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -1032,7 +1032,7 @@ static void generate_pkt_descs(struct amdtp_stream *s, const __be32 *ctx_header, static inline void cancel_stream(struct amdtp_stream *s) { s->packet_index = -1; - if (current_work() == &s->period_work) + if (in_interrupt()) amdtp_stream_pcm_abort(s); WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); }
In the workqueue to queue wake-up event, isochronous context is not processed, thus it's useless to check context for the workqueue to switch status of runtime for PCM substream to XRUN. On the other hand, in software IRQ context of 1394 OHCI, it's needed. This commit fixes the bug introduced when tasklet was replaced with workqueue. Cc: <stable@vger.kernel.org> Fixes: 2b3d2987d800 ("ALSA: firewire: Replace tasklet with work") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> --- sound/firewire/amdtp-stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)