ASoC: amd: Fix reference to PCM buffer address
authorTakashi Iwai <tiwai@suse.de>
Sat, 31 Jul 2021 08:43:31 +0000 (10:43 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Aug 2021 07:06:47 +0000 (09:06 +0200)
commitc43e0f97f5fcf8b19c28f97a15aaa86322fef31e
treec01764ffab625f57c4bf1fc0d23447f6aa90d3b2
parentb37adfb2c760c3c1061849b1fbc930dde222d316
ASoC: amd: Fix reference to PCM buffer address

commit 8b5d95313b6d30f642e4ed0125891984c446604e upstream.

PCM buffers might be allocated dynamically when the buffer
preallocation failed or a larger buffer is requested, and it's not
guaranteed that substream->dma_buffer points to the actually used
buffer.  The driver needs to refer to substream->runtime->dma_addr
instead for the buffer address.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20210731084331.32225-1-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/soc/amd/acp-pcm-dma.c
sound/soc/amd/raven/acp3x-pcm-dma.c
sound/soc/amd/renoir/acp3x-pdm-dma.c