[PATCH 4.19 69/74] irqchip/armada-370-xp: Fix return value of armada_370_xp_msi_alloc()

[Greg Kroah-Hartman]

From: Pali Rohár <pali@xxxxxxxxxx>

commit ce20eff57361e72878a772ef08b5239d3ae102b6 upstream.

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

Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
Fixes: fcc392d501bd ("irqchip/armada-370-xp: Use the generic MSI infrastructure")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20211125130057.26705-1-pali@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/irqchip/irq-armada-370-xp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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(struc
 				    NULL, NULL);
 	}
 
-	return hwirq;
+	return 0;
 }
 
 static void armada_370_xp_msi_free(struct irq_domain *domain,