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crypto: hisilicon/trng - fix local variable type

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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>
This commit is contained in:
Weili Qian 2022-06-09 19:18:19 +08:00 committed by Herbert Xu
parent ce6330f74b
commit 00856e5391
1 changed files with 1 additions and 1 deletions
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drivers/crypto/hisilicon/trng/trng.c
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@ -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);