From: Dan Carpenter <error27@gmail.com>
Date: Mon, 28 Dec 2009 16:59:46 +0000 (+0200)
Subject: Staging: cx25821: fix double unlock in medusa_video_init()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7a02f549fcc30fe6be0c0024beae9a3db22e1af6;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

Staging: cx25821: fix double unlock in medusa_video_init()

medusa_set_videostandard() takes the lock but it always drops it before
returning.

This was found with a static checker and compile tested only.  :/

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c
index 1eb079b3d429..d6016200d699 100644
--- a/drivers/staging/cx25821/cx25821-medusa-video.c
+++ b/drivers/staging/cx25821/cx25821-medusa-video.c
@@ -795,10 +795,8 @@ int medusa_video_init(struct cx25821_dev *dev)
 	value &= 0xFFFFFFDF;
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
 
-	if (ret_val < 0) {
-		mutex_unlock(&dev->lock);
+	if (ret_val < 0)
 		return -EINVAL;
-	}
 
 	mutex_unlock(&dev->lock);