of_device_get_match_data could return NULL, and so can cause a NULL pointer dereference later.
Signed-off-by: Shailendra Verma <[email protected]> --- drivers/i2c/busses/i2c-tegra.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 4af9bba..93ac1e1 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -920,6 +920,10 @@ static int tegra_i2c_probe(struct platform_device *pdev) tegra_i2c_parse_dt(i2c_dev); i2c_dev->hw = of_device_get_match_data(&pdev->dev); + if (!i2c_dev->hw) { + dev_err(&pdev->dev, "no device match found\n"); + return -ENODEV; + } i2c_dev->is_dvc = of_device_is_compatible(pdev->dev.of_node, "nvidia,tegra20-i2c-dvc"); init_completion(&i2c_dev->msg_complete); -- 1.7.9.5
