[PATCH] net: lan966x: fix checking for return value of platform_get_irq_byname()

[Li Qiong]

The platform_get_irq_byname() returns non-zero IRQ number
or negative error number. "if (irq)" always true, chang it
to "if (irq > 0)"

Signed-off-by: Li Qiong <liqiong@xxxxxxxxxxxx>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 1d6e3b641b2e..d928b75f3780 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -710,7 +710,7 @@ static void lan966x_cleanup_ports(struct lan966x *lan966x)
 	disable_irq(lan966x->xtr_irq);
 	lan966x->xtr_irq = -ENXIO;
 
-	if (lan966x->ana_irq) {
+	if (lan966x->ana_irq > 0) {
 		disable_irq(lan966x->ana_irq);
 		lan966x->ana_irq = -ENXIO;
 	}
@@ -718,10 +718,10 @@ static void lan966x_cleanup_ports(struct lan966x *lan966x)
 	if (lan966x->fdma)
 		devm_free_irq(lan966x->dev, lan966x->fdma_irq, lan966x);
 
-	if (lan966x->ptp_irq)
+	if (lan966x->ptp_irq > 0)
 		devm_free_irq(lan966x->dev, lan966x->ptp_irq, lan966x);
 
-	if (lan966x->ptp_ext_irq)
+	if (lan966x->ptp_ext_irq > 0)
 		devm_free_irq(lan966x->dev, lan966x->ptp_ext_irq, lan966x);
 }
 
@@ -1049,7 +1049,7 @@ static int lan966x_probe(struct platform_device *pdev)
 	}
 
 	lan966x->ana_irq = platform_get_irq_byname(pdev, "ana");
-	if (lan966x->ana_irq) {
+	if (lan966x->ana_irq > 0) {
 		err = devm_request_threaded_irq(&pdev->dev, lan966x->ana_irq, NULL,
 						lan966x_ana_irq_handler, IRQF_ONESHOT,
 						"ana irq", lan966x);
-- 
2.11.0