diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/806-dma-0017-MLK-20205-1-dmaengine-fsl-edma-v3-fix-NULL-pointer-d.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/806-dma-0017-MLK-20205-1-dmaengine-fsl-edma-v3-fix-NULL-pointer-d.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0017-MLK-20205-1-dmaengine-fsl-edma-v3-fix-NULL-pointer-d.patch b/target/linux/layerscape/patches-5.4/806-dma-0017-MLK-20205-1-dmaengine-fsl-edma-v3-fix-NULL-pointer-d.patch new file mode 100644 index 0000000000..aff6ac083c --- /dev/null +++ b/target/linux/layerscape/patches-5.4/806-dma-0017-MLK-20205-1-dmaengine-fsl-edma-v3-fix-NULL-pointer-d.patch @@ -0,0 +1,26 @@ +From 0059c7ed6c11254f214a07357bbf87296cde446f Mon Sep 17 00:00:00 2001 +From: Robin Gong <yibin.gong@nxp.com> +Date: Wed, 7 Nov 2018 22:19:07 +0800 +Subject: [PATCH] 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> +(cherry picked from commit 5343c0018af0af2eb3bb90c5a75e765b851a2c12) +--- + drivers/dma/fsl-edma-v3.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/dma/fsl-edma-v3.c ++++ b/drivers/dma/fsl-edma-v3.c +@@ -419,7 +419,7 @@ static enum dma_status fsl_edma3_tx_stat + 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 |