irqchip/armada-370-xp: Fix return value of armada_370_xp_msi_alloc()

commit ce20eff57361e72878a772ef08b5239d3ae102b6 upstream.

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

Signed-off-by: Pali Rohár <pali@kernel.org>
Fixes: fcc392d501bd ("irqchip/armada-370-xp: Use the generic MSI infrastructure")
Cc: stable@vger.kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211125130057.26705-1-pali@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 8bcee65a0b8c92a22c8d49ac362656a19233e04f..6992ed087cf58d38edc31e80eeb044114e51ae6e 100644 (file)
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -171,7 +171,7 @@ 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,