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Message-ID: <20220609111819.29465-1-qianweili@huawei.com>
Date: Thu, 9 Jun 2022 19:18:19 +0800
From: Weili Qian <qianweili@...wei.com>
To: <herbert@...dor.apana.org.au>
CC: <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
<wangzhou1@...ilicon.com>, <liulongfang@...wei.com>,
Weili Qian <qianweili@...wei.com>
Subject: [PATCH] crypto: hisilicon/trng - fix local variable type
The return value of 'readl_poll_timeout' is '0' or '-ETIMEDOUT'. Therefore,
change the local variable 'ret' type from 'u32' to 'int'.
Signed-off-by: Weili Qian <qianweili@...wei.com>
---
drivers/crypto/hisilicon/trng/trng.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/trng/trng.c b/drivers/crypto/hisilicon/trng/trng.c
index 829f2caf0f67..97e500db0a82 100644
--- a/drivers/crypto/hisilicon/trng/trng.c
+++ b/drivers/crypto/hisilicon/trng/trng.c
@@ -185,7 +185,7 @@ static int hisi_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
struct hisi_trng *trng;
int currsize = 0;
u32 val = 0;
- u32 ret;
+ int ret;
trng = container_of(rng, struct hisi_trng, rng);
--
2.33.0
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