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MLK-20205-1: dmaengine: fsl-edma-v3: fix NULL pointer dereference 

Fix 'null pointer dereferences issue' reported by coverity(CID-1477441).

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
pull/10/head
Robin Gong 2018-11-07 22:19:07 +08:00
parent 3e782aca60
commit c7c3d861c4
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/fsl-edma-v3.c
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@ -422,7 +422,7 @@ static enum dma_status fsl_edma3_tx_status(struct dma_chan *chan,
if (fsl_chan->edesc && cookie == fsl_chan->edesc->vdesc.tx.cookie)
txstate->residue = fsl_edma3_desc_residue(fsl_chan, vdesc,
true);
else if (vdesc)
else if (fsl_chan->edesc && vdesc)
txstate->residue = fsl_edma3_desc_residue(fsl_chan, vdesc,
false);
else