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....@zju.edu.cn>
---
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 e2330e757f1f..85c81da4a8af 100644
--- a/drivers/char/hw_random/ks-sa-rng.c
+++ b/drivers/char/hw_random/ks-sa-rng.c
@@ -244,6 +244,7 @@ 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_sync(dev);
pm_runtime_disable(dev);
return ret;
}
--
2.17.1
