linux-kernel - Re: [PATCH] ima: Remove __init annotation from ima

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Date:   Sun, 7 Jun 2020 16:11:13 -0700
From:   Jerry Snitselaar <jsnitsel@...hat.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     torvalds@...ux-foundation.org, zohar@...ux.ibm.com,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        silviu.vlasceanu@...wei.com, stable@...r.kernel.org
Subject: Re: [PATCH] ima: Remove __init annotation from ima_pcrread()

On Sun Jun 07 20, Roberto Sassu wrote:
>Commit 6cc7c266e5b4 ("ima: Call ima_calc_boot_aggregate() in
>ima_eventdigest_init()") added a call to ima_calc_boot_aggregate() so that
>the digest can be recalculated for the boot_aggregate measurement entry if
>the 'd' template field has been requested. For the 'd' field, only SHA1 and
>MD5 digests are accepted.
>
>Given that ima_eventdigest_init() does not have the __init annotation, all
>functions called should not have it. This patch removes __init from
>ima_pcrread().
>
>Cc: stable@...r.kernel.org
>Fixes:  6cc7c266e5b4 ("ima: Call ima_calc_boot_aggregate() in ima_eventdigest_init()")
>Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
>Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>

Reviewed-by: Jerry Snitselaar <jsnitsel@...hat.com>

>---
> security/integrity/ima/ima_crypto.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
>index ba5cc3264240..220b14920c37 100644
>--- a/security/integrity/ima/ima_crypto.c
>+++ b/security/integrity/ima/ima_crypto.c
>@@ -786,7 +786,7 @@ int ima_calc_buffer_hash(const void *buf, loff_t len,
> 	return calc_buffer_shash(buf, len, hash);
> }
>
>-static void __init ima_pcrread(u32 idx, struct tpm_digest *d)
>+static void ima_pcrread(u32 idx, struct tpm_digest *d)
> {
> 	if (!ima_tpm_chip)
> 		return;
>-- 
>2.17.1
>