On Wed, Mar 29, 2017 at 02:56:39PM +0200, Michal Suchanek wrote:
> While reviewing commit 11c6e16ee13a ("crypto: vmx - Adding asm
> subroutines for XTS") which adds the OpenSSL license header to
> drivers/crypto/vmx/aesp8-ppc.pl licensing of this driver came into
> qestion. The whole license reads:
>
> # Licensed under the OpenSSL license (the "License"). You may not use
> # this file except in compliance with the License. You can obtain a
> # copy
> # in the file LICENSE in the source distribution or at
> # https://www.openssl.org/source/license.html
>
> #
> # ====================================================================
> # Written by Andy Polyakov <appro@xxxxxxxxxxx> for the OpenSSL
> # project. The module is, however, dual licensed under OpenSSL and
> # CRYPTOGAMS licenses depending on where you obtain it. For further
> # details see http://www.openssl.org/~appro/cryptogams/.
> # ====================================================================
>
> After seeking legal advice it is still not clear that this driver can be
> legally used in Linux. In particular the "depending on where you obtain
> it" part does not make it clear when you can apply the GPL and when the
> OpenSSL license.
>
> I tried contacting the author of the code for clarification but did not
> hear back. In absence of clear licensing the only solution I see is
> removing this code.
>
> Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
> ---
> MAINTAINERS | 12 -
> drivers/crypto/Kconfig | 8 -
> drivers/crypto/Makefile | 1 -
> drivers/crypto/vmx/.gitignore | 2 -
> drivers/crypto/vmx/Kconfig | 9 -
> drivers/crypto/vmx/Makefile | 21 -
> drivers/crypto/vmx/aes.c | 150 --
> drivers/crypto/vmx/aes_cbc.c | 202 --
> drivers/crypto/vmx/aes_ctr.c | 191 --
> drivers/crypto/vmx/aes_xts.c | 190 --
> drivers/crypto/vmx/aesp8-ppc.h | 25 -
> drivers/crypto/vmx/aesp8-ppc.pl | 3789 -------------------------------------
> drivers/crypto/vmx/ghash.c | 227 ---
> drivers/crypto/vmx/ghashp8-ppc.pl | 234 ---
> drivers/crypto/vmx/ppc-xlate.pl | 228 ---
> drivers/crypto/vmx/vmx.c | 88 -
> 16 files changed, 5377 deletions(-)
> delete mode 100644 drivers/crypto/vmx/.gitignore
> delete mode 100644 drivers/crypto/vmx/Kconfig
> delete mode 100644 drivers/crypto/vmx/Makefile
> delete mode 100644 drivers/crypto/vmx/aes.c
> delete mode 100644 drivers/crypto/vmx/aes_cbc.c
> delete mode 100644 drivers/crypto/vmx/aes_ctr.c
> delete mode 100644 drivers/crypto/vmx/aes_xts.c
> delete mode 100644 drivers/crypto/vmx/aesp8-ppc.h
> delete mode 100644 drivers/crypto/vmx/aesp8-ppc.pl
> delete mode 100644 drivers/crypto/vmx/ghash.c
> delete mode 100644 drivers/crypto/vmx/ghashp8-ppc.pl
> delete mode 100644 drivers/crypto/vmx/ppc-xlate.pl
> delete mode 100644 drivers/crypto/vmx/vmx.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 1b0a87ffffab..fd4cbf046ab4 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6190,18 +6190,6 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git
> S: Maintained
> F: arch/ia64/
>
> -IBM Power VMX Cryptographic instructions
> -M: Leonidas S. Barbosa <leosilva@xxxxxxxxxxxxxxxxxx>
> -M: Paulo Flabiano Smorigo <pfsmorigo@xxxxxxxxxxxxxxxxxx>
Any reason why you didn't cc: these maintainers on your patch?
thanks,
greg k-h
