| Message ID | 20210730090254.612478-1-perex@perex.cz (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 852a8a97776a153be2e6c803218eced45f37a19c |
| Headers | show |
| Series | ALSA: pcm - fix mmap capability check for the snd-dummy driver | expand |
On Fri, 30 Jul 2021 11:02:54 +0200, Jaroslav Kysela wrote: > > The snd-dummy driver (fake_buffer configuration) uses the ops->page > callback for the mmap operations. Allow mmap for this case, too. > > Cc: <stable@vger.kernel.org> > Fixes: c4824ae7db41 ("ALSA: pcm: Fix mmap capability check") > Signed-off-by: Jaroslav Kysela <perex@perex.cz> Applied, thanks. Takashi
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 6a2971a7e6a1..09c0e2a6489c 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -246,7 +246,7 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream) if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP)) return false; - if (substream->ops->mmap) + if (substream->ops->mmap || substream->ops->page) return true; switch (substream->dma_buffer.dev.type) {
The snd-dummy driver (fake_buffer configuration) uses the ops->page callback for the mmap operations. Allow mmap for this case, too. Cc: <stable@vger.kernel.org> Fixes: c4824ae7db41 ("ALSA: pcm: Fix mmap capability check") Signed-off-by: Jaroslav Kysela <perex@perex.cz> --- sound/core/pcm_native.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)