linux-kernel - [PATCH v2] dma: mmp_pdma: fix a memory alloc error

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Message-ID: <1371536519-7837-1-git-send-email-wangxfdu@gmail.com>
Date:	Tue, 18 Jun 2013 14:21:58 +0800
From:	Xiang Wang <wangxfdu@...il.com>
To:	Dan Williams <djbw@...com>, Vinod Koul <vinod.koul@...el.com>,
	<linux-kernel@...r.kernel.org>
CC:	<wangxfdu@...il.com>, <cxie4@...vell.com>,
	Xiang Wang <wangx@...vell.com>
Subject: [PATCH v2] dma: mmp_pdma: fix a memory alloc error

From: Xiang Wang <wangx@...vell.com>

pdev->phy is of type "struct mmp_pdma_phy *". But when
allocating memory for it, "struct mmp_pdma_chan" is used
by mistake.

Signed-off-by: Xiang Wang <wangx@...vell.com>
---
 drivers/dma/mmp_pdma.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index c26699f..18ac57f 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -801,7 +801,7 @@ static int mmp_pdma_probe(struct platform_device *op)
 	}
 
 	pdev->phy = devm_kzalloc(pdev->dev,
-		dma_channels * sizeof(struct mmp_pdma_chan), GFP_KERNEL);
+		dma_channels * sizeof(*pdev->phy), GFP_KERNEL);
 	if (pdev->phy == NULL)
 		return -ENOMEM;
 
-- 
1.7.5.4

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