On Wed, Jan 10, 2024 at 1:55 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
> The root_device_register() function does not return NULL, it returns
> error pointers. Fix the check to match.
>
> Fixes: d03c720e03bd ("kunit: Add APIs for managing devices")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
This change looks good to me! We could check for IS_ERR_OR_NULL
instead but this change is more correct and is also how others check
root_device_register().
Reviewed-by: Rae Moar <rmoar@xxxxxxxxxx>
Thanks!
Rae
> ---
> lib/kunit/device.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/kunit/device.c b/lib/kunit/device.c
> index f5371287b375..074c6dd2e36a 100644
> --- a/lib/kunit/device.c
> +++ b/lib/kunit/device.c
> @@ -45,8 +45,8 @@ int kunit_bus_init(void)
> int error;
>
> kunit_bus_device = root_device_register("kunit");
> - if (!kunit_bus_device)
> - return -ENOMEM;
> + if (IS_ERR(kunit_bus_device))
> + return PTR_ERR(kunit_bus_device);
>
> error = bus_register(&kunit_bus_type);
> if (error)
> --
> 2.43.0
>
> --
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