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-rw-r--r--drivers/serial/8250.c3
-rw-r--r--drivers/serial/serial_core.c4
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1bc00b721e9..be95e55b228 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2623,6 +2623,9 @@ static struct console serial8250_console = {
static int __init serial8250_console_init(void)
{
+ if (nr_uarts > UART_NR)
+ nr_uarts = UART_NR;
+
serial8250_isa_init_ports();
register_console(&serial8250_console);
return 0;
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index c9b64e73c98..42d2e108b67 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1991,7 +1991,9 @@ struct uart_match {
static int serial_match_port(struct device *dev, void *data)
{
struct uart_match *match = data;
- dev_t devt = MKDEV(match->driver->major, match->driver->minor) + match->port->line;
+ struct tty_driver *tty_drv = match->driver->tty_driver;
+ dev_t devt = MKDEV(tty_drv->major, tty_drv->minor_start) +
+ match->port->line;
return dev->devt == devt; /* Actually, only one tty per port */
}