[PATCH 5.14 258/334] i2c: xlp9xx: fix main IRQ check

[Greg Kroah-Hartman]

From: Sergey Shtylyov <s.shtylyov@xxxxxx>

[ Upstream commit 661e8a88e8317eb9ffe69c69d6cb4876370fe7e2 ]

Iff platform_get_irq() returns 0 for the main IRQ, the driver's probe()
method will return 0 early (as if the method's call was successful).
Let's consider IRQ0 valid for simplicity -- devm_request_irq() can always
override that decision...

Fixes: 2bbd681ba2b ("i2c: xlp9xx: Driver for Netlogic XLP9XX/5XX I2C controller")
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Reviewed-by: George Cherian <george.cherian@xxxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/i2c/busses/i2c-xlp9xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-xlp9xx.c b/drivers/i2c/busses/i2c-xlp9xx.c
index f2241cedf5d3..6d24dc385522 100644
--- a/drivers/i2c/busses/i2c-xlp9xx.c
+++ b/drivers/i2c/busses/i2c-xlp9xx.c
@@ -517,7 +517,7 @@ static int xlp9xx_i2c_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->base);
 
 	priv->irq = platform_get_irq(pdev, 0);
-	if (priv->irq <= 0)
+	if (priv->irq < 0)
 		return priv->irq;
 	/* SMBAlert irq */
 	priv->alert_data.irq = platform_get_irq(pdev, 1);
-- 
2.30.2