[PATCH V4 03/16] irqchip: brcmstb-l2: fix error handling of irq_of_parse_and_map

[Kevin Cernekee]

From: Dmitry Torokhov <dtor@xxxxxxxxxxxx>

Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Tested-by: Kevin Cernekee <cernekee@xxxxxxxxx>
---
 drivers/irqchip/irq-brcmstb-l2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index 4edd27c486c4..d6bcc6be0777 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -143,9 +143,9 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np,
 		writel(0xffffffff, data->base + CPU_CLEAR);
 
 	data->parent_irq = irq_of_parse_and_map(np, 0);
-	if (data->parent_irq < 0) {
+	if (!data->parent_irq) {
 		pr_err("failed to find parent interrupt\n");
-		ret = data->parent_irq;
+		ret = -EINVAL;
 		goto out_unmap;
 	}
 
-- 
2.1.0

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