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efi/tpm: Return -EINVAL when determining tpm final events log size fails

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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.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: e658c82be556 ("efi/tpm: Only set 'efi_tpm_final_log_size' after ...")
Link: https://lkml.kernel.org/r/20191029173755.27149-3-ardb@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jerry Snitselaar 2019-10-29 18:37:51 +01:00 committed by Ingo Molnar
parent 0b6b30c656
commit 2bb6a81633
1 changed files with 1 additions and 0 deletions
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drivers/firmware/efi/tpm.c
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@ -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;
}