From: Fabio Estevam <fabio.estevam@xxxxxxx> platform_get_resource() may fail and in this case a NULL dereference will occur. Prevent this from happening by returning an error on platform_get_resource() failure. Fixes: b0444f18e0b18abce ("[media] coda: add i.MX6 VDOA driver") Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> --- drivers/media/platform/coda/imx-vdoa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/coda/imx-vdoa.c b/drivers/media/platform/coda/imx-vdoa.c index df9b716..8eb3e0c 100644 --- a/drivers/media/platform/coda/imx-vdoa.c +++ b/drivers/media/platform/coda/imx-vdoa.c @@ -314,6 +314,8 @@ static int vdoa_probe(struct platform_device *pdev) return PTR_ERR(vdoa->regs); res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) + return -EINVAL; vdoa->irq = devm_request_threaded_irq(&pdev->dev, res->start, NULL, vdoa_irq_handler, IRQF_ONESHOT, "vdoa", vdoa); -- 2.7.4