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

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Message-ID: <anz6qjyb2oqkz6wdy4ehnlpoujy4rz2itohpglgfqzadtonxtj@ljakgnqmfxxh>
Date: Wed, 21 Feb 2024 23:05:05 -0600
From: Lucas De Marchi <lucas.demarchi@...el.com>
To: David Gow <davidgow@...gle.com>
CC: Linus Torvalds <torvalds@...ux-foundation.org>, Shuah Khan
	<skhan@...uxfoundation.org>, Guenter Roeck <linux@...ck-us.net>, Rae Moar
	<rmoar@...gle.com>, Matthew Auld <matthew.auld@...el.com>, "Arunpravin Paneer
 Selvam" <arunpravin.paneerselvam@....com>, Christian König
	<christian.koenig@....com>, Kees Cook <keescook@...omium.org>,
	Maíra Canal <mcanal@...lia.com>, Rodrigo Vivi
	<rodrigo.vivi@...el.com>, Matthew Brost <matthew.brost@...el.com>, "Willem de
 Bruijn" <willemb@...gle.com>, Florian Westphal <fw@...len.de>, Cassio Neri
	<cassio.neri@...il.com>, Javier Martinez Canillas <javierm@...hat.com>,
	Arthur Grillo <arthur.grillo@....br>, Brendan Higgins
	<brendan.higgins@...ux.dev>, Daniel Latypov <dlatypov@...gle.com>, "Stephen
 Boyd" <sboyd@...nel.org>, David Airlie <airlied@...il.com>, Maxime Ripard
	<mripard@...nel.org>, "David S . Miller" <davem@...emloft.net>,
	<dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
	<intel-xe@...ts.freedesktop.org>, <linux-rtc@...r.kernel.org>,
	<linux-kselftest@...r.kernel.org>, <kunit-dev@...glegroups.com>,
	<linux-hardening@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH 8/9] drm/xe/tests: Fix printf format specifiers in
 xe_migrate test

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@...gle.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi@...el.com>

this has a potential to cause conflicts with upcoming work, so I think
it's better to apply this through drm-xe-next. Let me know if you agree.

thanks
Lucas De Marchi

>---
> 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
>