diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 9c49c11c43c..42813b80838 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -876,7 +876,7 @@ static int fsi_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq = platform_get_irq(pdev, 0);
-	if (!res || !irq) {
+	if (!res || (int)irq <= 0) {
 		dev_err(&pdev->dev, "Not enough FSI platform resources.\n");
 		ret = -ENODEV;
 		goto exit;