linux-kernel - [PATCH] ioatdma: Release memory in error handling path

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Message-ID: <1271043661.4957.13.camel@minskey-desktop>
Date:	Mon, 12 Apr 2010 11:41:01 +0800
From:	minskey <chaohong_guo@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	dan.j.williams@...el.com
Subject: [PATCH] ioatdma:  Release memory in error handling path


Release memory in error handling path

Signed-off-by: Minskey Guo <chaohong_guo@...ux.intel.com>

---
 drivers/dma/ioat/pci.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index a6e93ee..2a3dae9 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -153,10 +153,12 @@ static int __devinit ioat_pci_probe(struct pci_dev
*pdev, const struct pci_devic
        else if (device->version >= IOAT_VER_3_0)
                err = ioat3_dma_probe(device, ioat_dca_enabled);
        else
-               return -ENODEV;
+               err = -ENODEV;

        if (err) {
                dev_err(dev, "Intel(R) I/OAT DMA Engine init failed\n");
+               pci_set_drvdata(pdev, NULL);
+               devm_kfree(dev, device)
                return -ENODEV;
        }
--
1.6.3.3


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