linux-kernel - [PATCH] freescale: beyond ARRAY

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Message-ID: <4A133DEF.6080604@gmail.com>
Date:	Wed, 20 May 2009 01:17:03 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	leoli@...escale.com
CC:	linuxppc-embedded@...abs.org, lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] freescale: beyond ARRAY_SIZE of fdev->chan

Do not go beyond ARRAY_SIZE of fdev->chan

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index da8a8ed..391b1bd 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -830,7 +830,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
 			new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
 
 	new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
-	if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
+	if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
 		dev_err(fdev->dev, "There is no %d channel!\n",
 				new_fsl_chan->id);
 		err = -EINVAL;
--
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