[irqchip: irq/irqchip-next] irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value

["irqchip-bot for Krzysztof Kozlowski" <tip-bot2@linutronix.de>]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     50f0f26e7c8665763d0d7d3372dbcf191f94d077
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/50f0f26e7c8665763d0d7d3372dbcf191f94d077
Author:        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
AuthorDate:    Sat, 23 Apr 2022 11:42:26 +02:00
Committer:     Marc Zyngier <maz@kernel.org>
CommitterDate: Wed, 04 May 2022 16:37:48 +01:00

irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value

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

Fixes: f48e699ddf70 ("irqchip/aspeed-i2c-ic: Add I2C IRQ controller for Aspeed")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220423094227.33148-1-krzysztof.kozlowski@linaro.org
---
 drivers/irqchip/irq-aspeed-i2c-ic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-aspeed-i2c-ic.c b/drivers/irqchip/irq-aspeed-i2c-ic.c
index a47db16..9c9fc3e 100644
--- a/drivers/irqchip/irq-aspeed-i2c-ic.c
+++ b/drivers/irqchip/irq-aspeed-i2c-ic.c
@@ -77,8 +77,8 @@ static int __init aspeed_i2c_ic_of_init(struct device_node *node,
 	}
 
 	i2c_ic->parent_irq = irq_of_parse_and_map(node, 0);
-	if (i2c_ic->parent_irq < 0) {
-		ret = i2c_ic->parent_irq;
+	if (!i2c_ic->parent_irq) {
+		ret = -EINVAL;
 		goto err_iounmap;
 	}