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In function pc300_pci_init_one(), on the ioremap error path, function pc300_pci_remove_one() is called to free the allocated memory. However, the path is not terminated, and the freed memory will be used later, resulting in use-after-free bugs. This path fixes the bug. Signed-off-by: Pan Bian <bianpan2016@163.com> Signed-off-by: David S. Miller <davem@davemloft.net>