linux-kernel - [PATCH] MIPS: ralink: ix platform_get

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Date:   Thu, 23 Nov 2017 21:06:10 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     john@...ozen.org, ralf@...ux-mips.org
Cc:     linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org
Subject: [PATCH] MIPS: ralink: ix 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 <arvind.yadav.cs@...il.com>
---
 arch/mips/ralink/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
index d4469b2..913dc84b 100644
--- a/arch/mips/ralink/timer.c
+++ b/arch/mips/ralink/timer.c
@@ -109,7 +109,7 @@ 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;
 	}
-- 
2.7.4