linux-kernel - [patch] ASoC: Intel: sst: fix a loop timeout in sst_hsw_stream

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Message-ID: <20160406113606.GA23032@mwanda>
Date:	Wed, 6 Apr 2016 14:36:06 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Jie Yang <yang.jie@...ux.intel.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] ASoC: Intel: sst: fix a loop timeout in
 sst_hsw_stream_reset()

In the original code we ended the loop with tries set to -1 instead of
zero.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
Not tested.

diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c
index ac60f13..9156522 100644
--- a/sound/soc/intel/haswell/sst-haswell-ipc.c
+++ b/sound/soc/intel/haswell/sst-haswell-ipc.c
@@ -1345,7 +1345,7 @@ int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
 		return 0;
 
 	/* wait for pause to complete before we reset the stream */
-	while (stream->running && tries--)
+	while (stream->running && --tries)
 		msleep(1);
 	if (!tries) {
 		dev_err(hsw->dev, "error: reset stream %d still running\n",