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SubjectRe: [PATCH] serial: 8250: dw: Fix NULL pointer dereference
On Mon, May 02, 2022 at 02:56:21PM +0300, Heikki Krogerus wrote:
> dw8250_platform_data is only used on DT platforms for now.

Ah, good catch, Heikki!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Thanks

> Fixes: 4a218b277fdb ("serial: 8250: dw: Create a generic platform data structure")
> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
> Hi,
>
> I'm sorry, I have to resend this (to you guys).
> I left out the mailing lists.
>
> Br,
> ---
> drivers/tty/serial/8250/8250_dw.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
> index 0cf1a99dc1244..31422e44c64ff 100644
> --- a/drivers/tty/serial/8250/8250_dw.c
> +++ b/drivers/tty/serial/8250/8250_dw.c
> @@ -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 */
> --
> 2.35.1
>

--
With Best Regards,
Andy Shevchenko


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