Check return value from call to of_match_device() in order to prevent a NULL pointer dereference.
In case of NULL print error message and return.
Signed-off-by: Gustavo A. R. Silva garsilva@embeddedor.com --- drivers/gpu/drm/tegra/vic.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 47cb1aa..7e11825 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -283,6 +283,11 @@ static int vic_probe(struct platform_device *pdev) int err;
match = of_match_device(vic_match, dev); + if (!match) { + dev_err(&pdev->dev, "failed to match device\n"); + return -ENODEV; + } + vic_config = (struct vic_config *)match->data;
vic = devm_kzalloc(dev, sizeof(*vic), GFP_KERNEL);