diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 0bb142a28539fe93c6be231b715b076821a33b3f..b336797be4fc877f4cd2ff0e8fa1e9e184ff2774 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -79,19 +79,17 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram
 			runtime->silence_filled -= frames;
 			if ((snd_pcm_sframes_t)runtime->silence_filled < 0) {
 				runtime->silence_filled = 0;
-				runtime->silence_start = (ofs + frames) - runtime->buffer_size;
+				runtime->silence_start = new_hw_ptr;
 			} else {
-				runtime->silence_start = ofs - runtime->silence_filled;
+				runtime->silence_start = ofs;
 			}
-			if ((snd_pcm_sframes_t)runtime->silence_start < 0)
-				runtime->silence_start += runtime->boundary;
 		}
 		frames = runtime->buffer_size - runtime->silence_filled;
 	}
 	snd_assert(frames <= runtime->buffer_size, return);
 	if (frames == 0)
 		return;
-	ofs = (runtime->silence_start + runtime->silence_filled) % runtime->buffer_size;
+	ofs = runtime->silence_start % runtime->buffer_size;
 	while (frames > 0) {
 		transfer = ofs + frames > runtime->buffer_size ? runtime->buffer_size - ofs : frames;
 		if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED ||