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smb: client: Remove obsolete cmac(aes) allocation

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Since the crypto library API is now being used instead of crypto_shash,
the "cmac(aes)" crypto_shash that is being allocated and stored in
'struct cifs_secmech' is no longer used.  Remove it.

That makes the kconfig selection of CRYPTO_CMAC and the module softdep
on "cmac" unnecessary.  So remove those too.

Finally, since this removes the last use of crypto_shash from the smb
client, also remove the remaining crypto_shash-related helper functions.

Note: cifs_unicode.c was relying on <linux/unaligned.h> being included
transitively via <crypto/internal/hash.h>.  Since the latter include is
removed, make cifs_unicode.c include <linux/unaligned.h> explicitly.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Eric Biggers 2026-04-18 15:13:09 -07:00 • committed by Steve French
commit 4c1c07820a
10 changed files with 2 additions and 95 deletions
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