Messages in this thread Patch in this message | | | From | cgel.zte@gmail ... | Subject | [PATCH] misc: atmel-ssc: fix error check return value of platform_get_irq() | Date | Wed, 13 Apr 2022 09:32:22 +0000 |
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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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