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hwrng: stm32 - add missing clk_disable_unprepare() in stm32_rng_init()

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Add clk_disable_unprepare() in the error path in stm32_rng_init().

Fixes: 6b85a7e141 ("hwrng: stm32 - implement STM32MP13x support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Yang Yingliang 2023-12-01 16:20:48 +08:00 committed by Herbert Xu
parent 040791041b
commit 429fec81d1
1 changed files with 1 additions and 0 deletions
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1
drivers/char/hw_random/stm32-rng.c
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@ -325,6 +325,7 @@ static int stm32_rng_init(struct hwrng *rng)
(!(reg & RNG_CR_CONDRST)),
10, 50000);
if (err) {
clk_disable_unprepare(priv->clk);
dev_err((struct device *)priv->rng.priv,
"%s: timeout %x!\n", __func__, reg);
return -EINVAL;