From: Weili Qian <qianweili@huawei.com>
Date: Thu, 9 Jun 2022 11:18:19 +0000 (+0800)
Subject: crypto: hisilicon/trng - fix local variable type
X-Git-Tag: v6.1-rc5~754^2~67
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=00856e5391fbfbe00bf641a39f1bf8d1a144367a;p=platform%2Fkernel%2Flinux-starfive.git

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@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/hisilicon/trng/trng.c b/drivers/crypto/hisilicon/trng/trng.c
index 829f2ca..97e500d 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);