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commit2406ff9b86upstream. For non-x86 architectures, SNDRV_DMA_TYPE_DEV_UC should be treated equivalent with SNDRV_DMA_TYPE_DEV, where the default mmap handler still checks only about SNDRV_DMA_TYPE_DEV. Make the check more proper. Note that all existing users of *_UC buffer types are x86-only, so this doesn't fix any bug, but just for consistency. Fixes:42e748a0b3("ALSA: memalloc: Add non-cached buffer type") Link: https://lore.kernel.org/r/20191108165626.5947-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>