[PATCH -next 1/2] hwrng: bcm2835 - Add missing clk_disable_unprepare in bcm2835_rng_init

[Gaosheng Cui]

Add the missing clk_disable_unprepare() before return in
bcm2835_rng_init().

Signed-off-by: Gaosheng Cui <cuigaosheng1 at huawei.com>
---
 drivers/char/hw_random/bcm2835-rng.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index b03e80300627..aa2b135e3ee2 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -94,8 +94,10 @@ static int bcm2835_rng_init(struct hwrng *rng)
 		return ret;
 
 	ret = reset_control_reset(priv->reset);
-	if (ret)
+	if (ret) {
+		clk_disable_unprepare(priv->clk);
 		return ret;
+	}
 
 	if (priv->mask_interrupts) {
 		/* mask the interrupt */
-- 
2.25.1