serial: avoid double free after call ioc4_serial_remove_one
before goto out5, soft, control, serial are all assigned to idd after finish call ioc4_serial_remove_one, all resources are released we need return instead of go on, or double free Signed-off-by: NChen Gang <gang.chen@asianux.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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