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[2/3] media: i2c: drop check because i2c_unregister_device() is NULL safe

Message ID 20230922080421.35145-3-wsa+renesas@sang-engineering.com (mailing list archive)
State Mainlined
Commit b622e46690eb34a738bb295308f83c253b78afe0
Delegated to: Kieran Bingham
Headers show
Series treewide: drop check because i2c_unregister_device() is NULL safe | expand

Commit Message

Wolfram Sang Sept. 22, 2023, 8:04 a.m. UTC
No need to check the argument of i2c_unregister_device() because the
function itself does it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
Build tested only. Please apply to your tree.

 drivers/media/i2c/rdacm20.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Geert Uytterhoeven Sept. 25, 2023, 11:50 a.m. UTC | #1
On Fri, Sep 22, 2023 at 4:45 PM Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> No need to check the argument of i2c_unregister_device() because the
> function itself does it.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert
Laurent Pinchart Sept. 25, 2023, 11:59 a.m. UTC | #2
On Fri, Sep 22, 2023 at 10:04:19AM +0200, Wolfram Sang wrote:
> No need to check the argument of i2c_unregister_device() because the
> function itself does it.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

I'll take this in my tree and send a pull request if Sakari doesn't pick
up the patch himself.

> ---
> Build tested only. Please apply to your tree.
> 
>  drivers/media/i2c/rdacm20.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c
> index f4e2e2f3972a..b4647bda8c21 100644
> --- a/drivers/media/i2c/rdacm20.c
> +++ b/drivers/media/i2c/rdacm20.c
> @@ -625,8 +625,7 @@ static int rdacm20_probe(struct i2c_client *client)
>  	v4l2_ctrl_handler_free(&dev->ctrls);
>  error:
>  	media_entity_cleanup(&dev->sd.entity);
> -	if (dev->sensor)
> -		i2c_unregister_device(dev->sensor);
> +	i2c_unregister_device(dev->sensor);
>  
>  	dev_err(&client->dev, "probe failed\n");
>
diff mbox series

Patch

diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c
index f4e2e2f3972a..b4647bda8c21 100644
--- a/drivers/media/i2c/rdacm20.c
+++ b/drivers/media/i2c/rdacm20.c
@@ -625,8 +625,7 @@  static int rdacm20_probe(struct i2c_client *client)
 	v4l2_ctrl_handler_free(&dev->ctrls);
 error:
 	media_entity_cleanup(&dev->sd.entity);
-	if (dev->sensor)
-		i2c_unregister_device(dev->sensor);
+	i2c_unregister_device(dev->sensor);
 
 	dev_err(&client->dev, "probe failed\n");