[PATCH] ima: rework CONFIG_IMA dependency block

[Mimi Zohar]

On Wed, 2023-09-27 at 09:22 +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd at arndb.de>
> 
> Changing the direct dependencies of IMA_BLACKLIST_KEYRING and
> IMA_LOAD_X509 caused them to no longer depend on IMA, but a
> a configuration without IMA results in link failures:
> 
> arm-linux-gnueabi-ld: security/integrity/iint.o: in function `integrity_load_keys':
> iint.c:(.init.text+0xd8): undefined reference to `ima_load_x509'
> 
> aarch64-linux-ld: security/integrity/digsig_asymmetric.o: in function `asymmetric_verify':
> digsig_asymmetric.c:(.text+0x104): undefined reference to `ima_blacklist_keyring'
> 
> Adding explicit dependencies on IMA would fix this, but a more reliable
> way to do this is to enclose the entire Kconfig file in an 'if IMA' block.
> This also allows removing the existing direct dependencies.
> 
> Fixes: be210c6d3597f ("ima: Finish deprecation of IMA_TRUSTED_KEYRING Kconfig")
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Oleksandr Tymoshenko's patch to address this, made it into linux-next
today.

Commit be210c6d3597 ("ima: Finish deprecation of IMA_TRUSTED_KEYRING
Kconfig") made it last night into linux-next.

-- 
thanks,

Mimi