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Subject[PATCH] misc: atmel-ssc: fix error check return value of platform_get_irq()
Date
From: Lv Ruyi <lv.ruyi@zte.com.cn>

platform_get_irq() return negative value on failure, so null check of
ssc->irq is incorrect. Fix it by comparing whether it is less than zero.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
---
drivers/misc/atmel-ssc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index d6cd5537126c..5e7b290d9515 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -232,7 +232,7 @@ static int ssc_probe(struct platform_device *pdev)
clk_disable_unprepare(ssc->clk);

ssc->irq = platform_get_irq(pdev, 0);
- if (!ssc->irq) {
+ if (ssc->irq < 0) {
dev_dbg(&pdev->dev, "could not get irq\n");
return -ENXIO;
}
--
2.25.1
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