linux-kernel - [PATCH -next v2] memory: tegra186-emc: Fix error return code in tegra186_emc

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Date:   Tue, 28 Sep 2021 10:15:45 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>
CC:     <krzysztof.kozlowski@...onical.com>, <mperttunen@...dia.com>
Subject: [PATCH -next v2] memory: tegra186-emc: Fix error return code in tegra186_emc_probe()

Return the error code when command fails.

Fixes: 13324edbe926 ("memory: tegra186-emc: Handle errors in BPMP response")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/memory/tegra/tegra186-emc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c
index abc0c2eeaab7..746c4ef2c0af 100644
--- a/drivers/memory/tegra/tegra186-emc.c
+++ b/drivers/memory/tegra/tegra186-emc.c
@@ -198,6 +198,7 @@ static int tegra186_emc_probe(struct platform_device *pdev)
 		goto put_bpmp;
 	}
 	if (msg.rx.ret < 0) {
+		err = -EINVAL;
 		dev_err(&pdev->dev, "EMC DVFS MRQ failed: %d (BPMP error code)\n", msg.rx.ret);
 		goto put_bpmp;
 	}
-- 
2.25.1