[PATCH] ASoC: Use memset_io to access I/O memory

Shane Chien shane.chien at mediatek.com
Fri Sep 18 06:00:19 EDT 2020


From: "Shane.Chien" <shane.chien at mediatek.com>

Use memset_io to access I/O memory, instead of
memset.

Signed-off-by: Shane.Chien <shane.chien at mediatek.com>
---
 sound/core/pcm_native.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9e0b2d7..a4efa84 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -756,7 +756,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 
 	/* clear the buffer for avoiding possible kernel info leaks */
 	if (runtime->dma_area && !substream->ops->copy_user)
-		memset(runtime->dma_area, 0, runtime->dma_bytes);
+		memset_io(runtime->dma_area, 0, runtime->dma_bytes);
 
 	snd_pcm_timer_resolution_change(substream);
 	snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP);
-- 
1.7.9.5


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