linux-kernel - [PATCH v1 1/4] soc/tegra: fuse: Clear fuse->clk on driver probe failure

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Message-Id: <20210802221336.32016-2-digetx@gmail.com>
Date:   Tue,  3 Aug 2021 01:13:33 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-tegra@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/4] soc/tegra: fuse: Clear fuse->clk on driver probe failure

The fuse->clk must be cleared if FUSE driver fails to probe, otherwise
tegra_fuse_readl() will crash. It's unlikely to happen in practice,
nevertheless let's correct it for completeness.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/soc/tegra/fuse/fuse-tegra.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index 3d9da3d359da..2434c570b53c 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -246,6 +246,7 @@ static int tegra_fuse_probe(struct platform_device *pdev)
 	return 0;
 
 restore:
+	fuse->clk = NULL;
 	fuse->base = base;
 	return err;
 }
-- 
2.32.0