From: Dinghao Liu dinghao.liu@zju.edu.cn
[ Upstream commit 95459261c99f1621d90bc628c2a48e60b7cf9a88 ]
pm_runtime_get_sync() increments the runtime PM usage counter even the call returns an error code. Thus a pairing decrement is needed on the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Reviewed-by: Alexander Sverdlin alexander.sverdlin@nokia.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/char/hw_random/ks-sa-rng.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/char/hw_random/ks-sa-rng.c b/drivers/char/hw_random/ks-sa-rng.c index 62c6696c1dbd8..b6d7db362b217 100644 --- a/drivers/char/hw_random/ks-sa-rng.c +++ b/drivers/char/hw_random/ks-sa-rng.c @@ -216,6 +216,7 @@ static int ks_sa_rng_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (ret < 0) { dev_err(dev, "Failed to enable SA power-domain\n"); + pm_runtime_put_noidle(dev); pm_runtime_disable(dev); return ret; }