On Fri, 2021-12-24 at 08:21 +0000, Miaoqian Lin wrote: > The of_device_get_match_data() function may return NULL. > Add check to prevent potential null dereference. > > Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> > --- > drivers/phy/mediatek/phy-mtk-mipi-dsi.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c > b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c > index 28ad9403c441..67b005d5b9e3 100644 > --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c > +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c > @@ -146,6 +146,8 @@ static int mtk_mipi_tx_probe(struct > platform_device *pdev) > return -ENOMEM; > > mipi_tx->driver_data = of_device_get_match_data(dev); > + if (!mipi_tx->driver_data) > + return -ENODEV; > > mipi_tx->regs = devm_platform_ioremap_resource(pdev, 0); > if (IS_ERR(mipi_tx->regs)) Acked-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Thanks
