ALSA: pcm: Warn if doubly preallocated

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Warn if snd_pcm_lib_preallocate_pages*() is applied to the stream that
has already the preallocated buffers and skip the allocation.  It's a
clearly a driver bug.

Link: https://lore.kernel.org/r/20191105191007.18150-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Iwai 2019-11-05 20:10:06 +01:00

parent abffd8d0d5

commit a55eaf177a

1 changed files with 2 additions and 0 deletions

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sound/core/pcm_memory.c

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