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Message-Id: <20191023173201.6607-3-ard.biesheuvel@linaro.org>
Date: Wed, 23 Oct 2019 19:31:58 +0200
From: Ard Biesheuvel <ard.biesheuvel@...aro.org>
To: linux-efi@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>
Cc: Jerry Snitselaar <jsnitsel@...hat.com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] efi/tpm: return -EINVAL when determining tpm final events log size fails
From: Jerry Snitselaar <jsnitsel@...hat.com>
Currently nothing checks the return value of efi_tpm_eventlog_init,
but in case that changes in the future make sure an error is
returned when it fails to determine the tpm final events log
size.
Fixes: e658c82be556 ("efi/tpm: Only set 'efi_tpm_final_log_size' after ...")
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Suggested-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Jerry Snitselaar <jsnitsel@...hat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
---
drivers/firmware/efi/tpm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c
index ebd7977653a8..31f9f0e369b9 100644
--- a/drivers/firmware/efi/tpm.c
+++ b/drivers/firmware/efi/tpm.c
@@ -88,6 +88,7 @@ int __init efi_tpm_eventlog_init(void)
if (tbl_size < 0) {
pr_err(FW_BUG "Failed to parse event in TPM Final Events Log\n");
+ ret = -EINVAL;
goto out_calc;
}
--
2.17.1
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