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mips: txx9: fix iounmap related issue

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[ Upstream commit c6e1241a82 ]

if device_register return error, iounmap should be called, also iounmap
need to call before put_device.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20476/
Cc: ralf@linux-mips.org
Cc: jhogan@kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ding Xiang 2018-09-06 12:19:19 +08:00 • committed by Greg Kroah-Hartman
commit 52cda4c1d9
1 changed files with 2 additions and 3 deletions
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5
arch/mips/txx9/generic/setup.c
View file

@ -960,12 +960,11 @@ void __init txx9_sramc_init(struct resource *r)
goto exit_put;
err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
if (err) {
device_unregister(&dev->dev);
iounmap(dev->base);
kfree(dev);
device_unregister(&dev->dev);
}
return;
exit_put:
iounmap(dev->base);
put_device(&dev->dev);
return;
}