serial: initialize retinfo in uart_get_info()
If this check ever triggers static int uart_get_info(struct tty_port *port, struct serial_struct *retinfo) { uport = uart_port_check(state); if (!uport) goto out; then all those sysfs users will print stack contents to userspace. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Link: https://lore.kernel.org/r/967b9ef1-fb36-48bf-9e6a-1b99af24c052@p183 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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