Commit 86f9f2c8 authored by Lothar Waßmann's avatar Lothar Waßmann Committed by David S. Miller

net/fec: don't request invalid IRQ

prevent calling request_irq() with a known invalid IRQ number and
preserve the return value of the platform_get_irq() function
Signed-off-by: default avatarLothar Waßmann <LW@KARO-electronics.de>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6ea0722f
......@@ -1575,8 +1575,12 @@ fec_probe(struct platform_device *pdev)
for (i = 0; i < FEC_IRQ_NUM; i++) {
irq = platform_get_irq(pdev, i);
if (i && irq < 0)
break;
if (irq < 0) {
if (i)
break;
ret = irq;
goto failed_irq;
}
ret = request_irq(irq, fec_enet_interrupt, IRQF_DISABLED, pdev->name, ndev);
if (ret) {
while (--i >= 0) {
......
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