Re: [PATCH 4.19 12/58] dm integrity: select CRYPTO_SKCIPHER

From: Pavel Machek
Date: Tue Jan 26 2021 - 05:08:45 EST


Hi!

> From: Anthony Iliopoulos <ailiop@xxxxxxxx>
>
> [ Upstream commit f7b347acb5f6c29d9229bb64893d8b6a2c7949fb ]
>
> The integrity target relies on skcipher for encryption/decryption, but
> certain kernel configurations may not enable CRYPTO_SKCIPHER, leading to
> compilation errors due to unresolved symbols. Explicitly select
> CRYPTO_SKCIPHER for DM_INTEGRITY, since it is unconditionally dependent
> on it.

There is no such config option in 4.19. This patch is not suitable
here.

grep -r CRYPTO_SKCIPHER .
./include/crypto/skcipher.h:#ifndef _CRYPTO_SKCIPHER_H
./include/crypto/skcipher.h:#define _CRYPTO_SKCIPHER_H
./include/crypto/skcipher.h:#endif /* _CRYPTO_SKCIPHER_H */

Best regards,
Pavel

> +++ b/drivers/md/Kconfig
> @@ -527,6 +527,7 @@ config DM_INTEGRITY
> select BLK_DEV_INTEGRITY
> select DM_BUFIO
> select CRYPTO
> + select CRYPTO_SKCIPHER
> select ASYNC_XOR
> ---help---
> This device-mapper target emulates a block device that has

--
http://www.livejournal.com/~pavelmachek

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