media: platform: ti: fix the return value handle for platform_get_irq()

There is no possible for platform_get_irq() to return 0,
and the return value of platform_get_irq() is more sensible
to show the error reason.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/ti/am437x/am437x-vpfe.c

@@ -2426,10 +2426,8 @@ static int vpfe_probe(struct platform_device *pdev)
 	}
 
 	ret = platform_get_irq(pdev, 0);
-	if (ret <= 0) {
-		ret = -ENODEV;
+	if (ret < 0)
 		goto probe_out_cleanup;
-	}
 	vpfe->irq = ret;
 
 	ret = devm_request_irq(vpfe->pdev, vpfe->irq, vpfe_isr, 0,

drivers/media/platform/ti/omap3isp/isp.c

@@ -2392,10 +2392,8 @@ static int isp_probe(struct platform_device *pdev)
 
 	/* Interrupt */
 	ret = platform_get_irq(pdev, 0);
-	if (ret <= 0) {
-		ret = -ENODEV;
+	if (ret < 0)
 		goto error_iommu;
-	}
 	isp->irq_num = ret;
 
 	if (devm_request_irq(isp->dev, isp->irq_num, isp_isr, IRQF_SHARED,