From: Lars-Peter Clausen <lars@metafoo.de>
Date: Fri, 7 Mar 2014 16:14:27 +0000 (-0300)
Subject: [media] adv7180: Fix remove order
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=297a0ae32bf84c8ae135971eb21f18ee5f4ca3ea;p=openwrt%2Fstaging%2Fblogic.git

[media] adv7180: Fix remove order

The mutex is used in the subdev callbacks, so unregister the subdev before the
mutex is destroyed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index d7d99f1c69e4..1a3622a9d0fb 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -616,8 +616,8 @@ static int adv7180_probe(struct i2c_client *client,
 err_free_ctrl:
 	adv7180_exit_controls(state);
 err_unreg_subdev:
-	mutex_destroy(&state->mutex);
 	v4l2_device_unregister_subdev(sd);
+	mutex_destroy(&state->mutex);
 err:
 	printk(KERN_ERR KBUILD_MODNAME ": Failed to probe: %d\n", ret);
 	return ret;
@@ -640,8 +640,8 @@ static int adv7180_remove(struct i2c_client *client)
 		}
 	}
 
-	mutex_destroy(&state->mutex);
 	v4l2_device_unregister_subdev(sd);
+	mutex_destroy(&state->mutex);
 	return 0;
 }