crypto: caam - fixed handling of sg list

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: f2147b88b2b1 ("crypto: caam - Convert GCM to new AEAD interface")
Cc: <stable@vger.kernel.org> # 4.2+
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: Arun Pathak <arun.pathak@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 0a4469f..a9ff2e1 100644 (file)
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1043,6 +1043,7 @@ static void init_aead_job(struct aead_request *req,
                        dst_dma = 0;
                } else 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 *