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

Add clk_disable_unprepare() in the error path in stm32_rng_init(). Fixes: 6b85a7e ("hwrng: stm32 - implement STM32MP13x support") Signed-off-by: Yang Yingliang <[email protected]> Reviewed-by: Gatien Chevallier <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
caleberi · Dec 8, 2023 · 429fec8 · 429fec8
1 parent 0407910
commit 429fec8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
@@ -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;