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-rw-r--r--drivers/char/hw_random/mtk-rng.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c
index b7fa1bc1122b..d09a4d813766 100644
--- a/drivers/char/hw_random/mtk-rng.c
+++ b/drivers/char/hw_random/mtk-rng.c
@@ -143,7 +143,9 @@ static int mtk_rng_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, priv);
pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT);
pm_runtime_use_autosuspend(&pdev->dev);
- devm_pm_runtime_enable(&pdev->dev);
+ ret = devm_pm_runtime_enable(&pdev->dev);
+ if (ret)
+ return ret;
dev_info(&pdev->dev, "registered RNG driver\n");