linux-kernel - [PATCH] crypto: qat: Fix unsigned comparison with less than zero

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Message-ID: <1647569459-18376-1-git-send-email-baihaowen@meizu.com>
Date:   Fri, 18 Mar 2022 10:10:59 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <giovanni.cabiddu@...el.com>, <herbert@...dor.apana.org.au>,
        <davem@...emloft.net>, <marco.chiappero@...el.com>,
        <fiona.trahe@...el.com>, <wojciech.ziemba@...el.com>
CC:     <qat-linux@...el.com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] crypto: qat: Fix unsigned comparison with less than zero

drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c:67:5-8: WARNING: Unsigned expression compared with zero: ret < 0

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
index 6d10edc..0143835 100644
--- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
+++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
@@ -52,7 +52,7 @@ static const char *const dev_cfg_services[] = {
 static int get_service_enabled(struct adf_accel_dev *accel_dev)
 {
 	char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0};
-	u32 ret;
+	s32 ret;
 
 	ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC,
 				      ADF_SERVICES_ENABLED, services);
-- 
2.7.4