From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 15 Feb 2017 21:05:34 +0000 (+0100)
Subject: ALSA: x86: Stop the stream when buffer is processed after disconnection
X-Git-Tag: v4.11-rc1~100^2~10^2~3
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=be9a2e933e301bec856d526516801e14247519c5;p=linux.git

ALSA: x86: Stop the stream when buffer is processed after disconnection

This shouldn't happen, but just to be sure...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 8d365718c692..8d67031e8429 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -971,19 +971,22 @@ static void had_process_buffer_done(struct snd_intelhad *intelhaddata)
 {
 	struct snd_pcm_substream *substream;
 
-	if (!intelhaddata->connected)
-		return; /* disconnected? - bail out */
-
 	substream = had_substream_get(intelhaddata);
 	if (!substream)
 		return; /* no stream? - bail out */
 
+	if (!intelhaddata->connected) {
+		snd_pcm_stop_xrun(substream);
+		goto out; /* disconnected? - bail out */
+	}
+
 	/* process or stop the stream */
 	if (had_process_ringbuf(substream, intelhaddata) < 0)
 		snd_pcm_stop_xrun(substream);
 	else
 		snd_pcm_period_elapsed(substream);
 
+ out:
 	had_substream_put(intelhaddata);
 }