Commit e6a08c69 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Greg Kroah-Hartman
Browse files

serial: 8250: dw: Fix NULL pointer dereference 



dw8250_platform_data is only used on DT platforms for now.

Fixes: 4a218b27 ("serial: 8250: dw: Create a generic platform data structure")
Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220502115621.77985-1-heikki.krogerus@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f26c65da

drivers/tty/serial/8250/8250_dw.c

+1 −1
Original line number Diff line number Diff line
@@ -433,9 +433,9 @@ static void dw8250_prepare_rx_dma(struct uart_8250_port *p) 
static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)

{

	struct device_node *np = p->dev->of_node;

	unsigned int quirks = data->pdata->quirks;



	if (np) {

		unsigned int quirks = data->pdata->quirks;

		int id;



		/* get index of serial line, if found in DT aliases */