Commit ccb38942 authored Aug 06, 2018 by Horia Geantă Committed by Greg Kroah-Hartman Sep 09, 2018

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: 261ea058 ("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>

parent be6f98b2

drivers/crypto/caam/jr.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -190,7 +190,8 @@ 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);