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mips: Vr41xx: add missing iounmap() on error in vr41xx_pciu_init()

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add missing iounmap() of pciu_base on error when failed to init
io_map_base.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Qinglang Miao 2020-10-28 17:15:48 +08:00 committed by Thomas Bogendoerfer
parent 2673ecf958
commit c424dc4cd1
1 changed files with 3 additions and 1 deletions
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4
arch/mips/pci/pci-vr41xx.c
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@ -293,8 +293,10 @@ static int __init vr41xx_pciu_init(void)
master = setup->master_io;
io_map_base = ioremap(master->bus_base_address,
resource_size(res));
if (!io_map_base)
if (!io_map_base) {
iounmap(pciu_base);
return -EBUSY;
}
vr41xx_pci_controller.io_map_base = (unsigned long)io_map_base;
}