linux-kernel - [PATCH 5.4 20/50] thermal/drivers/exynos: Fix an error code in exynos_tmu

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Message-Id: <20210924124332.914944338@linuxfoundation.org>
Date:   Fri, 24 Sep 2021 14:44:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: [PATCH 5.4 20/50] thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 02d438f62c05f0d055ceeedf12a2f8796b258c08 upstream.

This error path return success but it should propagate the negative
error code from devm_clk_get().

Fixes: 6c247393cfdd ("thermal: exynos: Add TMU support for Exynos7 SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Link: https://lore.kernel.org/r/20210810084413.GA23810@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/thermal/samsung/exynos_tmu.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1070,6 +1070,7 @@ static int exynos_tmu_probe(struct platf
 		data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
 		if (IS_ERR(data->sclk)) {
 			dev_err(&pdev->dev, "Failed to get sclk\n");
+			ret = PTR_ERR(data->sclk);
 			goto err_clk;
 		} else {
 			ret = clk_prepare_enable(data->sclk);