[PATCH v0] fsldma: re-initialize async_tx descriptors

[Vishnu Suresh]

The async_tx descriptors contains dangling pointers.
Hence, re-initialize them to NULL before use.

Signed-off-by: Vishnu Suresh <Vishnu@xxxxxxxxxxxxx>
---
o. Rebased to linux-next as of 20091214

 drivers/dma/fsldma.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 272097a..779c2b6 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -384,6 +384,8 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
 		dma_async_tx_descriptor_init(&desc_sw->async_tx,
 						&fsl_chan->common);
 		desc_sw->async_tx.tx_submit = fsl_dma_tx_submit;
+		desc_sw->async_tx.parent = NULL;
+		desc_sw->async_tx.next = NULL;
 		desc_sw->async_tx.phys = pdesc;
 	}
 
-- 
1.6.4.2

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