netdev - [PATCH 1/2] net: ll_temac: fix interrupt bug when interrupt 0 is used

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Message-ID: <6f264a7a-e5da-494a-a24d-1578ca422807@VA3EHSMHS016.ehs.local>
Date:	Wed, 26 May 2010 11:29:18 -0600
From:	John Linn <john.linn@...inx.com>
To:	netdev@...r.kernel.org, linuxppc-dev@...abs.org,
	grant.likely@...retlab.ca, jwboyer@...ux.vnet.ibm.com
CC:	john.williams@...alogix.com, michal.simek@...alogix.com,
	John Linn <john.linn@...inx.com>,
	Brian Hill <brian.hill@...inx.com>
Subject: [PATCH 1/2] 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@...inx.com>
Signed-off-by: John Linn <john.linn@...inx.com>
---
 drivers/net/ll_temac_main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ll_temac_main.c b/drivers/net/ll_temac_main.c
index fa7620e..0615737 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;
-- 
1.6.2.1



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