From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 8 Nov 2013 09:50:24 +0000 (+0300)
Subject: dma: pl330: off by one in pl330_probe()
X-Git-Tag: firefly_0821_release~176^2~4916^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=02808b427689d46136d9662c5013145f70119f42;p=firefly-linux-kernel-4.4.55.git

dma: pl330: off by one in pl330_probe()

There are only AMBA_NR_IRQS (2) elements in adev->irq[].  This code
maybe works if the there is a zero directly after the array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 75328f9870d2..ebd23b036a69 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2922,7 +2922,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
 
 	amba_set_drvdata(adev, pdmac);
 
-	for (i = 0; i <= AMBA_NR_IRQS; i++) {
+	for (i = 0; i < AMBA_NR_IRQS; i++) {
 		irq = adev->irq[i];
 		if (irq) {
 			ret = devm_request_irq(&adev->dev, irq,