linux-kernel - [PATCH] dmaengine: imx-sdma: return proper error if kzalloc fails

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Date:	Tue, 12 Jul 2011 21:00:13 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Sascha Hauer <s.hauer@...gutronix.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>
Subject: [PATCH] dmaengine: imx-sdma: return proper error if kzalloc fails

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/dma/imx-sdma.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 1ea47db..f96d038 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1281,8 +1281,10 @@ static int __init sdma_probe(struct platform_device *pdev)
 		goto err_request_irq;
 
 	sdma->script_addrs = kzalloc(sizeof(*sdma->script_addrs), GFP_KERNEL);
-	if (!sdma->script_addrs)
+	if (!sdma->script_addrs) {
+		ret = -ENOMEM;
 		goto err_alloc;
+	}
 
 	sdma->version = pdata->sdma_version;
 
-- 
1.7.4.1



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