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MIPS: ralink: Fix platform_get_irq's error checking

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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@gmail.com>
Cc: john@phrozen.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17783/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Arvind Yadav 2017-11-24 07:38:20 +05:30 committed by Ralf Baechle
parent 7e5e371ee5
commit b6ab1a138b
1 changed files with 2 additions and 2 deletions
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4
arch/mips/ralink/timer.c
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@ -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);