linux-kernel - [PATCH 1/2] irqchip/armada-370-xp: Fix return value of armada_370_xp_msi

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Date:   Thu, 25 Nov 2021 14:00:56 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Marek Behún <kabel@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] irqchip/armada-370-xp: Fix return value of armada_370_xp_msi_alloc()

IRQ domain alloc function should return zero on success. Non-zero value
indicates failure.

Signed-off-by: Pali Rohár <pali@...nel.org>
Fixes: fcc392d501bd ("irqchip/armada-370-xp: Use the generic MSI infrastructure")
Cc: stable@...r.kernel.org
---
 drivers/irqchip/irq-armada-370-xp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 80906bfec845..41ad745cf343 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -250,7 +250,7 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq,
 				    NULL, NULL);
 	}
 
-	return hwirq;
+	return 0;
 }
 
 static void armada_370_xp_msi_free(struct irq_domain *domain,
-- 
2.20.1