From: Horia Geantă <horia.geanta@nxp.com>
Date: Mon, 6 Aug 2018 12:29:09 +0000 (+0300)
Subject: crypto: caam/jr - fix descriptor DMA unmapping
X-Git-Tag: v4.9.126~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ac617410962fcdd6b4675865a4469a8a54abb584;p=platform%2Fkernel%2Flinux-amlogic.git

crypto: caam/jr - fix descriptor DMA unmapping

commit cc98963dbaaea93d17608641b8d6942a5327fc31 upstream.

Descriptor address needs to be swapped to CPU endianness before being
DMA unmapped.

Cc: <stable@vger.kernel.org> # 4.8+
Fixes: 261ea058f016 ("crypto: caam - handle core endianness != caam endianness")
Reported-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 9e7f281..6d475a2 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -189,7 +189,8 @@ static void caam_jr_dequeue(unsigned long devarg)
 		BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0);
 
 		/* Unmap just-run descriptor so we can post-process */
-		dma_unmap_single(dev, jrp->outring[hw_idx].desc,
+		dma_unmap_single(dev,
+				 caam_dma_to_cpu(jrp->outring[hw_idx].desc),
 				 jrp->entinfo[sw_idx].desc_size,
 				 DMA_TO_DEVICE);