linux-kernel - [PATCH -next] staging: most: fix error return code in audio_probe

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Date:   Sun, 25 Sep 2016 15:41:11 +0000
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christian Gromm <christian.gromm@...rochip.com>,
        Andrey Shvetsov <andrey.shvetsov@....de>,
        Shraddha Barke <shraddha.6596@...il.com>
Cc:     Wei Yongjun <weiyongjun1@...wei.com>, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH -next] staging: most: fix error return code in audio_probe_channel()

From: Wei Yongjun <weiyongjun1@...wei.com>

Fix to return a negative error code from the audio_set_hw_params() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/staging/most/aim-sound/sound.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/most/aim-sound/sound.c b/drivers/staging/most/aim-sound/sound.c
index 3dc625c..00f01c9 100644
--- a/drivers/staging/most/aim-sound/sound.c
+++ b/drivers/staging/most/aim-sound/sound.c
@@ -607,7 +607,8 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id,
 	channel->id = channel_id;
 	init_waitqueue_head(&channel->playback_waitq);
 
-	if (audio_set_hw_params(&channel->pcm_hardware, pcm_format, cfg))
+	ret = audio_set_hw_params(&channel->pcm_hardware, pcm_format, cfg);
+	if (ret)
 		goto err_free_card;
 
 	snprintf(card->driver, sizeof(card->driver), "%s", DRIVER_NAME);