1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index db8607e3d531..f5051cf1a0c8 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -256,7 +256,7 @@ static void ulite_release_port(struct uart_port *port)
 {
         release_mem_region(port->mapbase, ULITE_REGION);
         iounmap(port->membase);
-        port->membase = 0;
+        port->membase = NULL;
 }
 
 static int ulite_request_port(struct uart_port *port)
@@ -438,7 +438,7 @@ static int __devinit ulite_probe(struct platform_device *pdev)
         port->iotype    = UPIO_MEM;
         port->iobase    = 1; /* mark port in use */
         port->mapbase   = res->start;
-        port->membase   = 0;
+        port->membase   = NULL;
         port->ops       = &ulite_ops;
         port->irq       = res2->start;
         port->flags     = UPF_BOOT_AUTOCONF;
@@ -462,7 +462,7 @@ static int ulite_remove(struct platform_device *pdev)
                 uart_remove_one_port(&ulite_uart_driver, port);
 
         /* mark port as free */
-        port->membase = 0;
+        port->membase = NULL;
 
         return 0;
 }