Jarkko Sakkinen <[email protected]> wrote on 01/02/2017
08:22:08 AM:
> --- a/drivers/char/tpm/tpm2-cmd.c
> +++ b/drivers/char/tpm/tpm2-cmd.c
> @@ -943,7 +943,9 @@ EXPORT_SYMBOL_GPL(tpm2_probe);
> */
> int tpm2_auto_startup(struct tpm_chip *chip)
> {
> + u32 nr_commands;
> int rc;
> + int i;
>
> rc = tpm_get_timeouts(chip);
> if (rc)
> @@ -967,8 +969,49 @@ int tpm2_auto_startup(struct tpm_chip *chip)
> }
> }
>
> + rc = tpm2_get_tpm_pt(chip, TPM_PT_TOTAL_COMMANDS, &nr_commands,
NULL);
> + if (rc)
> + return rc;
> +
> + chip->cc_attrs_tbl = devm_kzalloc(&chip->dev, 4 * nr_commands,
> + GFP_KERNEL);
For some reason this devm_kzalloc bombs for the vtpm proxy driver. The
only reason I could come up with is that it's being called before
tpm_add_char_device() has been called.
Stefan
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