Use the safer devm versions of memory mapping functions. Signed-off-by: Enrico Weigelt, metux IT consult <info@xxxxxxxxx> --- drivers/tty/serial/samsung.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index a49cf15..e0bab87 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1436,13 +1436,16 @@ static const char *s3c24xx_serial_type(struct uart_port *port) static void s3c24xx_serial_release_port(struct uart_port *port) { - release_mem_region(port->mapbase, MAP_SIZE); + devm_release_mem_region(port->dev, port->mapbase, MAP_SIZE); } static int s3c24xx_serial_request_port(struct uart_port *port) { const char *name = s3c24xx_serial_portname(port); - return request_mem_region(port->mapbase, MAP_SIZE, name) ? 0 : -EBUSY; + return devm_request_mem_region(port->dev, + port->mapbase, + MAP_SIZE, + name) ? 0 : -EBUSY; } static void s3c24xx_serial_config_port(struct uart_port *port, int flags) -- 1.9.1