queue-4.14/crypto-caam-fixed-handling-of-sg-list.patch

   1 From 42e95d1f10dcf8b18b1d7f52f7068985b3dc5b79 Mon Sep 17 00:00:00 2001
   2 From: Pankaj Gupta <pankaj.gupta@nxp.com>
   3 Date: Fri, 1 Feb 2019 07:18:20 +0000
   4 Subject: crypto: caam - fixed handling of sg list
   5
   6 From: Pankaj Gupta <pankaj.gupta@nxp.com>
   7
   8 commit 42e95d1f10dcf8b18b1d7f52f7068985b3dc5b79 upstream.
   9
  10 when the source sg contains more than 1 fragment and
  11 destination sg contains 1 fragment, the caam driver
  12 mishandle the buffers to be sent to caam.
  13
  14 Fixes: f2147b88b2b1 ("crypto: caam - Convert GCM to new AEAD interface")
  15 Cc: <stable@vger.kernel.org> # 4.2+
  16 Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
  17 Signed-off-by: Arun Pathak <arun.pathak@nxp.com>
  18 Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
  19 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  20 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  21
  22 ---
  23  drivers/crypto/caam/caamalg.c |    1 +
  24  1 file changed, 1 insertion(+)
  25
  26 --- a/drivers/crypto/caam/caamalg.c
  27 +++ b/drivers/crypto/caam/caamalg.c
  28 @@ -1097,6 +1097,7 @@ static void init_ablkcipher_job(u32 *sh_
  29         } else {
  30                 if (edesc->dst_nents == 1) {
  31                         dst_dma = sg_dma_address(req->dst);
  32 +                       out_options = 0;
  33                 } else {
  34                         dst_dma = edesc->sec4_sg_dma + (edesc->src_nents + 1) *
  35                                   sizeof(struct sec4_sg_entry);