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serial: 8250: dw: Fix NULL pointer dereference

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dw8250_platform_data is only used on DT platforms for now.

Fixes: 4a218b277fdb ("serial: 8250: dw: Create a generic platform data structure")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220502115621.77985-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus 2022-05-02 14:56:21 +03:00 committed by Greg Kroah-Hartman
parent f26c65dacf
commit e6a08c6949
1 changed files with 1 additions and 1 deletions
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drivers/tty/serial/8250/8250_dw.c
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@ -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 */