linux-kernel - [PATCH] radio-si470x-common: -EINVAL overwritten in si470x_vidioc_s

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Date:	Wed, 03 Feb 2010 20:48:05 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	tobias.lorenz@....net, linux-media@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] radio-si470x-common: -EINVAL overwritten in si470x_vidioc_s_tuner()

The -EINVAL was overwritten by the si470x_disconnect_check().

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
Is this needed?

diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 4da0f15..65b4a92 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -748,12 +748,13 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
 		struct v4l2_tuner *tuner)
 {
 	struct si470x_device *radio = video_drvdata(file);
-	int retval = -EINVAL;
+	int retval;
 
 	/* safety checks */
 	retval = si470x_disconnect_check(radio);
 	if (retval)
 		goto done;
+	retval = -EINVAL;
 
 	if (tuner->index != 0)
 		goto done;
--
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