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path: root/drivers/tty/serial/8250.c
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Diffstat (limited to 'drivers/tty/serial/8250.c')
-rw-r--r--drivers/tty/serial/8250.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 90dad17e38c..6748568f730 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -2695,7 +2695,7 @@ serial8250_verify_port(struct uart_port *port, struct serial_struct *ser)
if (ser->irq >= nr_irqs || ser->irq < 0 ||
ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
- ser->type == PORT_STARTECH)
+ ser->type == PORT_STARTECH || uart_config[ser->type].name == NULL)
return -EINVAL;
return 0;
}
@@ -2705,7 +2705,7 @@ serial8250_type(struct uart_port *port)
{
int type = port->type;
- if (type >= ARRAY_SIZE(uart_config))
+ if (type >= ARRAY_SIZE(uart_config) || uart_config[type].name == NULL)
type = 0;
return uart_config[type].name;
}