target/linux/generic/backport-5.4/080-wireguard-0065-crypto-x86-poly1305-Remove-assignments-with-no-effec.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Herbert Xu <herbert@gondor.apana.org.au>
   3 Date: Thu, 24 Sep 2020 13:29:04 +1000
   4 Subject: [PATCH] crypto: x86/poly1305 - Remove assignments with no effect
   5
   6 commit 4a0c1de64bf9d9027a6f19adfba89fc27893db23 upstream.
   7
   8 This patch removes a few ineffectual assignments from the function
   9 crypto_poly1305_setdctxkey.
  10
  11 Reported-by: kernel test robot <lkp@intel.com>
  12 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  13 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
  14 ---
  15  arch/x86/crypto/poly1305_glue.c | 3 ---
  16  1 file changed, 3 deletions(-)
  17
  18 --- a/arch/x86/crypto/poly1305_glue.c
  19 +++ b/arch/x86/crypto/poly1305_glue.c
  20 @@ -157,9 +157,6 @@ static unsigned int crypto_poly1305_setd
  21                         dctx->s[1] = get_unaligned_le32(&inp[4]);
  22                         dctx->s[2] = get_unaligned_le32(&inp[8]);
  23                         dctx->s[3] = get_unaligned_le32(&inp[12]);
  24 -                       inp += POLY1305_BLOCK_SIZE;
  25 -                       len -= POLY1305_BLOCK_SIZE;
  26 -                       acc += POLY1305_BLOCK_SIZE;
  27                         dctx->sset = true;
  28                 }
  29         }