ALSA: pcm - fix mmap capability check for the snd-dummy driver
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: c4824ae7 ("ALSA: pcm: Fix mmap capability check") Signed-off-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20210730090254.612478-1-perex@perex.czSigned-off-by: Takashi Iwai <tiwai@suse.de>
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