From 9f1022b8bd14ce937ca56174a97a1ce475c07693 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 20 Aug 2019 15:53:44 +0200 Subject: [PATCH] soc/tegra: fuse: Restore base on sysfs failure Make sure to also restore the register base address on sysfs registration failure. Signed-off-by: Thierry Reding --- drivers/soc/tegra/fuse/fuse-tegra.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 58996c6..db516a2 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -146,20 +146,24 @@ static int tegra_fuse_probe(struct platform_device *pdev) if (fuse->soc->probe) { err = fuse->soc->probe(fuse); - if (err < 0) { - fuse->base = base; - return err; - } + if (err < 0) + goto restore; } if (tegra_fuse_create_sysfs(&pdev->dev, fuse->soc->info->size, - fuse->soc->info)) - return -ENODEV; + fuse->soc->info)) { + err = -ENODEV; + goto restore; + } /* release the early I/O memory mapping */ iounmap(base); return 0; + +restore: + fuse->base = base; + return err; } static struct platform_driver tegra_fuse_driver = { -- 2.7.4