linux-kernel - [PATCH 5.18 593/879] pinctrl: mvebu: Fix irq_of_parse_and

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Date:   Tue,  7 Jun 2022 19:01:51 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 593/879] pinctrl: mvebu: Fix irq_of_parse_and_map() return value

From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

[ Upstream commit 71bc7cf3be65bab441e03667cf215c557712976c ]

The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.

Fixes: 2f227605394b ("pinctrl: armada-37xx: Add irqchip support")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Link: https://lore.kernel.org/r/20220422105339.78810-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 08cad14042e2..adccf03b3e5a 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -773,7 +773,7 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
 	for (i = 0; i < nr_irq_parent; i++) {
 		int irq = irq_of_parse_and_map(np, i);
 
-		if (irq < 0)
+		if (!irq)
 			continue;
 		girq->parents[i] = irq;
 	}
-- 
2.35.1