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crypto: caam/jr - fix descriptor DMA unmapping

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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>
This commit is contained in:
Horia Geantă 2018-08-06 15:29:09 +03:00 committed by Herbert Xu
parent 22240df7ac
commit cc98963dba
1 changed files with 2 additions and 1 deletions
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3
drivers/crypto/caam/jr.c
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@ -190,7 +190,8 @@ static void caam_jr_dequeue(unsigned long devarg)
BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0); BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0);
/* Unmap just-run descriptor so we can post-process */ /* 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, jrp->entinfo[sw_idx].desc_size,
DMA_TO_DEVICE); DMA_TO_DEVICE);