Re: [PATCH 8/9] drm/xe/tests: Fix printf format specifiers in xe_migrate test

[Guenter Roeck <linux@roeck-us.net>]

On Wed, Feb 21, 2024 at 05:27:21PM +0800, David Gow wrote:
> KUNIT_FAIL() is used to fail the xe_migrate test when an error occurs.
> However, there's a mismatch in the format specifier: '%li' is used to
> log 'err', which is an 'int'.
> 
> Use '%i' instead of '%li', and for the case where we're printing an
> error pointer, just use '%pe', instead of extracting the error code
> manually with PTR_ERR(). (This also results in a nicer output when the
> error code is known.)
> 
> Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
> Signed-off-by: David Gow <davidgow@google.com>

Tested-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  drivers/gpu/drm/xe/tests/xe_migrate.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/tests/xe_migrate.c b/drivers/gpu/drm/xe/tests/xe_migrate.c
> index a6523df0f1d3..c347e2c29f81 100644
> --- a/drivers/gpu/drm/xe/tests/xe_migrate.c
> +++ b/drivers/gpu/drm/xe/tests/xe_migrate.c
> @@ -114,21 +114,21 @@ static void test_copy(struct xe_migrate *m, struct xe_bo *bo,
>  						   region |
>  						   XE_BO_NEEDS_CPU_ACCESS);
>  	if (IS_ERR(remote)) {
> -		KUNIT_FAIL(test, "Failed to allocate remote bo for %s: %li\n",
> -			   str, PTR_ERR(remote));
> +		KUNIT_FAIL(test, "Failed to allocate remote bo for %s: %pe\n",
> +			   str, remote);
>  		return;
>  	}
>  
>  	err = xe_bo_validate(remote, NULL, false);
>  	if (err) {
> -		KUNIT_FAIL(test, "Failed to validate system bo for %s: %li\n",
> +		KUNIT_FAIL(test, "Failed to validate system bo for %s: %i\n",
>  			   str, err);
>  		goto out_unlock;
>  	}
>  
>  	err = xe_bo_vmap(remote);
>  	if (err) {
> -		KUNIT_FAIL(test, "Failed to vmap system bo for %s: %li\n",
> +		KUNIT_FAIL(test, "Failed to vmap system bo for %s: %i\n",
>  			   str, err);
>  		goto out_unlock;
>  	}
> -- 
> 2.44.0.rc0.258.g7320e95886-goog
>