The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1....@samsung.com>
Acked-by: Simon Horman <horms+rene...@verge.net.au>
---
 drivers/dma/sh/shdmac.c |    3 ---
 drivers/dma/sh/sudmac.c |    2 --
 2 files changed, 5 deletions(-)

diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index c7faded..282e93f 100755
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -882,7 +882,6 @@ rst_err:
        pm_runtime_put(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
 
-       platform_set_drvdata(pdev, NULL);
        shdma_cleanup(&shdev->shdma_dev);
 eshdma:
        synchronize_rcu();
@@ -911,8 +910,6 @@ static int sh_dmae_remove(struct platform_device *pdev)
        sh_dmae_chan_remove(shdev);
        shdma_cleanup(&shdev->shdma_dev);
 
-       platform_set_drvdata(pdev, NULL);
-
        synchronize_rcu();
 
        return 0;
diff --git a/drivers/dma/sh/sudmac.c b/drivers/dma/sh/sudmac.c
index 3c7d2b8..bf85b8e 100755
--- a/drivers/dma/sh/sudmac.c
+++ b/drivers/dma/sh/sudmac.c
@@ -391,7 +391,6 @@ static int sudmac_probe(struct platform_device *pdev)
 chan_probe_err:
        sudmac_chan_remove(su_dev);
 
-       platform_set_drvdata(pdev, NULL);
        shdma_cleanup(&su_dev->shdma_dev);
 
        return err;
@@ -405,7 +404,6 @@ static int sudmac_remove(struct platform_device *pdev)
        dma_async_device_unregister(dma_dev);
        sudmac_chan_remove(su_dev);
        shdma_cleanup(&su_dev->shdma_dev);
-       platform_set_drvdata(pdev, NULL);
 
        return 0;
 }
-- 
1.7.10.4


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