From d39eca547f3ec67140a5d765a426eb157b978a59 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 18 Dec 2018 11:22:41 +0300 Subject: [PATCH] clk: tegra: dfll: Fix a potential Oop in remove() If tegra_dfll_unregister() fails then "soc" is an error pointer. We should just return instead of dereferencing it. Fixes: 1752c9ee23fb ("clk: tegra: dfll: Fix drvdata overwriting issue") Signed-off-by: Dan Carpenter Signed-off-by: Stephen Boyd --- drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c index 269d359..edc31bb 100644 --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c @@ -133,9 +133,11 @@ static int tegra124_dfll_fcpu_remove(struct platform_device *pdev) struct tegra_dfll_soc_data *soc; soc = tegra_dfll_unregister(pdev); - if (IS_ERR(soc)) + if (IS_ERR(soc)) { dev_err(&pdev->dev, "failed to unregister DFLL: %ld\n", PTR_ERR(soc)); + return PTR_ERR(soc); + } tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); -- 2.7.4