net: ll_temac: fix interrupt bug when interrupt 0 is used

The code is not checking the interrupt for DMA correctly so that an
interrupt number of 0 will cause a false error.

Signed-off-by: Brian Hill <brian.hill@xilinx.com>
Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index b59b24d667f0a0a4d9b3f823961506465a191b44..1bb6e605f64f6e3479871c0fa6a0629508db1372 100644 (file)
--- a/drivers/net/ll_temac_main.c
+++ b/drivers/net/ll_temac_main.c
@@ -950,7 +950,7 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
 
        lp->rx_irq = irq_of_parse_and_map(np, 0);
        lp->tx_irq = irq_of_parse_and_map(np, 1);
-       if (!lp->rx_irq || !lp->tx_irq) {
+       if ((lp->rx_irq == NO_IRQ) || (lp->tx_irq == NO_IRQ)) {
                dev_err(&op->dev, "could not determine irqs\n");
                rc = -ENOMEM;
                goto nodev;