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authorWeili Qian <qianweili@huawei.com>2022-06-09 19:18:19 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2022-06-17 17:19:20 +0800
commit00856e5391fbfbe00bf641a39f1bf8d1a144367a (patch)
tree6ea76804b9d20af33f523d7b829e51267ddba08e /drivers/crypto
parentMAINTAINERS: update HiSilicon ZIP and QM maintainers (diff)
downloadlinux-dev-00856e5391fbfbe00bf641a39f1bf8d1a144367a.tar.xz
linux-dev-00856e5391fbfbe00bf641a39f1bf8d1a144367a.zip
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>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/hisilicon/trng/trng.c2
1 files changed, 1 insertions, 1 deletions
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);