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Message-Id: <20230226144650.826470-10-sashal@kernel.org>
Date:   Sun, 26 Feb 2023 09:46:10 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>,
        Zhang Rui <rui.zhang@...el.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Sasha Levin <sashal@...nel.org>, rafael@...nel.org,
        daniel.lezcano@...aro.org, linux-pm@...r.kernel.org
Subject: [PATCH AUTOSEL 6.1 10/49] thermal: intel: Fix unsigned comparison with less than zero

From: Yang Li <yang.lee@...ux.alibaba.com>

[ Upstream commit e7fcfe67f9f410736b758969477b17ea285e8e6c ]

The return value from the call to intel_tcc_get_tjmax() is int, which can
be a negative error code. However, the return value is being assigned to
an u32 variable 'tj_max', so making 'tj_max' an int.

Eliminate the following warning:
./drivers/thermal/intel/intel_soc_dts_iosf.c:394:5-11: WARNING: Unsigned expression compared with zero: tj_max < 0

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3637
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
Acked-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/thermal/intel/intel_soc_dts_iosf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c
index 342b0bb5a56d9..8651ff1abe754 100644
--- a/drivers/thermal/intel/intel_soc_dts_iosf.c
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.c
@@ -405,7 +405,7 @@ struct intel_soc_dts_sensors *intel_soc_dts_iosf_init(
 {
 	struct intel_soc_dts_sensors *sensors;
 	bool notification;
-	u32 tj_max;
+	int tj_max;
 	int ret;
 	int i;
 
-- 
2.39.0

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