Re: [PATCH v2 RESEND] tpm: export tpm2_sessions_init() to fix ibmvtpm building

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On Thu Sep 5, 2024 at 11:52 AM EEST, Kexy Biscuit wrote:
> Commit 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to
> initialize session support") adds call to tpm2_sessions_init() in ibmvtpm,
> which could be built as a module. However, tpm2_sessions_init() wasn't
> exported, causing libmvtpm to fail to build as a module:
>
> ERROR: modpost: "tpm2_sessions_init" [drivers/char/tpm/tpm_ibmvtpm.ko] undefined!
>
> Export tpm2_sessions_init() to resolve the issue.
>
> Cc: stable@xxxxxxxxxxxxxxx # v6.10+
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202408051735.ZJkAPQ3b-lkp@xxxxxxxxx/
> Fixes: 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to initialize session support")
> Signed-off-by: Kexy Biscuit <kexybiscuit@xxxxxxx>
> Signed-off-by: Mingcong Bai <jeffbai@xxxxxxx>
> ---
> V1 -> V2: Added Fixes tag and fixed email format
> RESEND: The previous email was sent directly to stable-rc review
>
>  drivers/char/tpm/tpm2-sessions.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c
> index d3521aadd43e..44f60730cff4 100644
> --- a/drivers/char/tpm/tpm2-sessions.c
> +++ b/drivers/char/tpm/tpm2-sessions.c
> @@ -1362,4 +1362,5 @@ int tpm2_sessions_init(struct tpm_chip *chip)
>  
>  	return rc;
>  }
> +EXPORT_SYMBOL(tpm2_sessions_init);
>  #endif /* CONFIG_TCG_TPM2_HMAC */

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

BR, Jarkko





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