Revert "ALSA: pcm: Avoid possible info leaks from PCM stream buffers"

This reverts commit 408d979.
radcolor · Feb 3, 2020 · 74f06df · 74f06df
1 parent c25f895
commit 74f06df
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
@@ -587,10 +587,6 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 					LONG_MAX - runtime->buffer_size)
 		runtime->boundary *= 2;
 
-	/* clear the buffer for avoiding possible kernel info leaks */
-	if (runtime->dma_area)
-		memset(runtime->dma_area, 0, runtime->dma_bytes);
-
 	snd_pcm_timer_resolution_change(substream);
 	snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP);