[openssl/openssl] 46ac73: Coverity: fix 1506298: negative returns

[pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 46ac730eed88077a79f83e41cf6d8c5bc5911734
      https://github.openssl.org/openssl/openssl/commit/46ac730eed88077a79f83e41cf6d8c5bc5911734
  Author: Pauli <pauli at openssl.org>
  Date:   2022-07-01 (Fri, 01 Jul 2022)

  Changed paths:
    M crypto/dh/dh_ameth.c

  Log Message:
  -----------
  Coverity: fix 1506298: negative returns

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18587)

(cherry picked from commit be54ad88a67d2fba3b4fd51bef0fe7db0c01b99a)


  Commit: 610029c28b7532a69c30ff311c95ddbbdcfaf3fe
      https://github.openssl.org/openssl/openssl/commit/610029c28b7532a69c30ff311c95ddbbdcfaf3fe
  Author: Pauli <pauli at openssl.org>
  Date:   2022-07-01 (Fri, 01 Jul 2022)

  Changed paths:
    M crypto/dsa/dsa_ameth.c

  Log Message:
  -----------
  Coverity: fix 1506297: negative returns

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18587)

(cherry picked from commit 3ee2611677e7e9f90e270f3ee4f343c9d3d86835)


Compare: https://github.openssl.org/openssl/openssl/compare/9c6b986b4a8d...610029c28b75