MIPS: ralink: Fix platform_get_irq's error checking

The platform_get_irq() function returns negative if an error occurs. zero or positive number on success. platform_get_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Patchwork: https://patchwork.linux-mips.org/patch/17783/ Signed-off-by: Ralf Baechle <[email protected]>
adn770 · Jan 10, 2018 · b6ab1a1 · b6ab1a1
1 parent 7e5e371
commit b6ab1a1
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
@@ -109,9 +109,9 @@ static int rt_timer_probe(struct platform_device *pdev)
 	}
 
 	rt->irq = platform_get_irq(pdev, 0);
-	if (!rt->irq) {
+	if (rt->irq < 0) {
 		dev_err(&pdev->dev, "failed to load irq\n");
-		return -ENOENT;
+		return rt->irq;
 	}
 
 	rt->membase = devm_ioremap_resource(&pdev->dev, res);