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Message-ID: <20240221092728.1281499-7-davidgow@google.com>
Date: Wed, 21 Feb 2024 17:27:19 +0800
From: David Gow <davidgow@...gle.com>
To: 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>
Cc: David Gow <davidgow@...gle.com>, 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: [PATCH 6/9] net: test: Fix printf format specifier in skb_segment
 kunit test

KUNIT_FAIL() accepts a printf-style format string, but previously did
not let gcc validate it with the __printf() attribute. The use of %lld
for the result of PTR_ERR() is not correct.

Instead, use %pe and pass the actual error pointer. printk() will format
it correctly (and give a symbolic name rather than a number if
available, which should make the output more readable, too).

Fixes: b3098d32ed6e ("net: add skb_segment kunit test")
Signed-off-by: David Gow <davidgow@...gle.com>
---
 net/core/gso_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/gso_test.c b/net/core/gso_test.c
index 4c2e77bd12f4..358c44680d91 100644
--- a/net/core/gso_test.c
+++ b/net/core/gso_test.c
@@ -225,7 +225,7 @@ static void gso_test_func(struct kunit *test)
 
 	segs = skb_segment(skb, features);
 	if (IS_ERR(segs)) {
-		KUNIT_FAIL(test, "segs error %lld", PTR_ERR(segs));
+		KUNIT_FAIL(test, "segs error %pe", segs);
 		goto free_gso_skb;
 	} else if (!segs) {
 		KUNIT_FAIL(test, "no segments");
-- 
2.44.0.rc0.258.g7320e95886-goog


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