提交 74fd74e1 编写于 作者: P Pankaj Gupta 提交者: Greg Kroah-Hartman

crypto: caam - fixed handling of sg list

commit 42e95d1f10dcf8b18b1d7f52f7068985b3dc5b79 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: NPankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: NArun Pathak <arun.pathak@nxp.com>
Reviewed-by: NHoria Geanta <horia.geanta@nxp.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 ce36d9fa
......@@ -1005,6 +1005,7 @@ static void init_aead_job(struct aead_request *req,
if (unlikely(req->src != req->dst)) {
if (edesc->dst_nents == 1) {
dst_dma = sg_dma_address(req->dst);
out_options = 0;
} else {
dst_dma = edesc->sec4_sg_dma +
sec4_sg_index *
......
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