From: Gaosheng Cui <cuigaosheng1@huawei.com>
Date: Sat, 3 Aug 2024 06:49:23 +0000 (+0800)
Subject: hwrng: cctrng - Add missing clk_disable_unprepare in cctrng_resume
X-Git-Tag: v6.12-rc1~231^2~73
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4b7acc85de14ee8a2236f54445dc635d47eceac0;p=thirdparty%2Flinux.git

hwrng: cctrng - Add missing clk_disable_unprepare in cctrng_resume

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

Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c
index c0d2f824769f8..4c50efc464835 100644
--- a/drivers/char/hw_random/cctrng.c
+++ b/drivers/char/hw_random/cctrng.c
@@ -622,6 +622,7 @@ static int __maybe_unused cctrng_resume(struct device *dev)
 	/* wait for Cryptocell reset completion */
 	if (!cctrng_wait_for_reset_completion(drvdata)) {
 		dev_err(dev, "Cryptocell reset not completed");
+		clk_disable_unprepare(drvdata->clk);
 		return -EBUSY;
 	}