Re: [PATCH v2] pstore: fix crypto dependencies without compression

From: Arnd Bergmann
Date: Fri Apr 06 2018 - 03:57:04 EST


On Fri, Apr 6, 2018 at 9:25 AM, Tobias Regnery <tobias.regnery@xxxxxxxxx> wrote:
> Commit 58eb5b670747 ("pstore: fix crypto dependencies") fixed up the crypto
> dependencies but missed the case when no compression is selected.
>
> With CONFIG_PSTORE=y, CONFIG_PSTORE_COMPRESS=n and CONFIG_CRYPTO=m we see
> the following link error:
>
> fs/pstore/platform.o: In function `pstore_register':
> (.text+0x1b1): undefined reference to `crypto_has_alg'
> (.text+0x205): undefined reference to `crypto_alloc_base'
> fs/pstore/platform.o: In function `pstore_unregister':
> (.text+0x3b0): undefined reference to `crypto_destroy_tfm'
>
> Fix this by checking at compile-time if CONFIG_PSTORE_COMPRESS is enabled.
>
> Fixes: 58eb5b670747 ("pstore: fix crypto dependencies")
> Signed-off-by: Tobias Regnery <tobias.regnery@xxxxxxxxx>
> ---
> v2: check the config at compile-time rather than change the
> kconfig-dependency as suggested by Arnd.

Thanks!

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>