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

[irqchip-bot for Krzysztof Kozlowski]

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

Commit-ID:     f03a9670d27d23fe734a456f16e2579b21ec02b4
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/f03a9670d27d23fe734a456f16e2579b21ec02b4
Author:        Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
AuthorDate:    Sat, 23 Apr 2022 11:42:27 +02:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Wed, 04 May 2022 16:37:48 +01:00

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

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

Fixes: 04f605906ff0 ("irqchip: Add Aspeed SCU interrupt controller")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220423094227.33148-2-krzysztof.kozlowski@xxxxxxxxxx
---
 drivers/irqchip/irq-aspeed-scu-ic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-aspeed-scu-ic.c b/drivers/irqchip/irq-aspeed-scu-ic.c
index 18b77c3..279e92c 100644
--- a/drivers/irqchip/irq-aspeed-scu-ic.c
+++ b/drivers/irqchip/irq-aspeed-scu-ic.c
@@ -157,8 +157,8 @@ static int aspeed_scu_ic_of_init_common(struct aspeed_scu_ic *scu_ic,
 	}
 
 	irq = irq_of_parse_and_map(node, 0);
-	if (irq < 0) {
-		rc = irq;
+	if (!irq) {
+		rc = -EINVAL;
 		goto err;
 	}