From: Brian Hill <brian.hill@xilinx.com>
Date: Thu, 27 May 2010 03:42:18 +0000 (-0700)
Subject: net: ll_temac: fix interrupt bug when interrupt 0 is used
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=755fae0ac41672523a3ac00d41fe9bac226b0578;p=linux-beck.git

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 b59b24d667f0..1bb6e605f64f 100644
--- 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;