Commit 68a44250 authored by Pankaj Gupta's avatar Pankaj Gupta Committed by Greg Kroah-Hartman

crypto: caam - fixed handling of sg list

commit 42e95d1f upstream.

when the source sg contains more than 1 fragment and
destination sg contains 1 fragment, the caam driver
mishandle the buffers to be sent to caam.

Fixes: f2147b88 ("crypto: caam - Convert GCM to new AEAD interface")
Cc: <stable@vger.kernel.org> # 4.2+
Signed-off-by: default avatarPankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: default avatarArun Pathak <arun.pathak@nxp.com>
Reviewed-by: default avatarHoria Geanta <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1a839058
...@@ -1097,6 +1097,7 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr, ...@@ -1097,6 +1097,7 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
} else { } else {
if (edesc->dst_nents == 1) { if (edesc->dst_nents == 1) {
dst_dma = sg_dma_address(req->dst); dst_dma = sg_dma_address(req->dst);
out_options = 0;
} else { } else {
dst_dma = edesc->sec4_sg_dma + (edesc->src_nents + 1) * dst_dma = edesc->sec4_sg_dma + (edesc->src_nents + 1) *
sizeof(struct sec4_sg_entry); sizeof(struct sec4_sg_entry);
......
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