linux-kernel - [PATCH v4 2/4] selftests/resctrl: Always initialize ecx to avoid build warnings

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Message-Id: <20240903144528.46811-3-ilpo.jarvinen@linux.intel.com>
Date: Tue,  3 Sep 2024 17:45:26 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Shuah Khan <shuah@...nel.org>,
	Reinette Chatre <reinette.chatre@...el.com>,
	linux-kselftest@...r.kernel.org,
	Fenghua Yu <fenghua.yu@...el.com>,
	linux-kernel@...r.kernel.org
Cc: Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
	Maciej Wieczór-Retman <maciej.wieczor-retman@...el.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v4 2/4] selftests/resctrl: Always initialize ecx to avoid build warnings

To avoid warnings when __cpuid_count() is an empty stub, always
initialize ecx because it is used in the return statement.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 tools/testing/selftests/resctrl/cat_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
index 51a1cb6aac34..9882c5d19408 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -290,7 +290,7 @@ static int cat_run_test(const struct resctrl_test *test, const struct user_param
 
 static bool arch_supports_noncont_cat(const struct resctrl_test *test)
 {
-	unsigned int eax, ebx, ecx, edx;
+	unsigned int eax, ebx, ecx = 0, edx;
 
 	switch (get_vendor()) {
 	case ARCH_AMD:
-- 
2.39.2