5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
commit 4b7acc85de14ee8a2236f54445dc635d47eceac0 upstream.
Add the missing clk_disable_unprepare() before return in
cctrng_resume().
Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/char/hw_random/cctrng.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/char/hw_random/cctrng.c
+++ b/drivers/char/hw_random/cctrng.c
@@ -679,6 +679,7 @@ static int __maybe_unused cctrng_resume(
/* 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;
}
