On Mon, Nov 21, 2016 at 03:03:51AM -0500, Nayna Jain wrote:
> There is change done to introduce atomic bitops to set and test
> chip->flags.
> This patch fixes tpm_bios_log_setup() and tpm_sysfs_add_device()
> to use test_bit() to check for TPM_CHIP_FLAG_TPM2 flag.
>
> Signed-off-by: Nayna Jain <[email protected]>
I'm bit lost of the purpose of this patch.
/Jarkko
> ---
> drivers/char/tpm/tpm-sysfs.c | 2 +-
> drivers/char/tpm/tpm_eventlog.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
> index 82298e51..9a37c26 100644
> --- a/drivers/char/tpm/tpm-sysfs.c
> +++ b/drivers/char/tpm/tpm-sysfs.c
> @@ -284,7 +284,7 @@ static const struct attribute_group tpm_dev_group = {
>
> void tpm_sysfs_add_device(struct tpm_chip *chip)
> {
> - if (chip->flags & TPM_CHIP_FLAG_TPM2)
> + if (test_bit(TPM_CHIP_FLAG_TPM2, &chip->flags))
> return;
>
> /* The sysfs routines rely on an implicit tpm_try_get_ops, device_del
> diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
> index ebec4ac..dede2ec 100644
> --- a/drivers/char/tpm/tpm_eventlog.c
> +++ b/drivers/char/tpm/tpm_eventlog.c
> @@ -391,7 +391,7 @@ int tpm_bios_log_setup(struct tpm_chip *chip)
> unsigned int cnt;
> int rc = 0;
>
> - if (chip->flags & TPM_CHIP_FLAG_TPM2)
> + if (test_bit(TPM_CHIP_FLAG_TPM2, &chip->flags))
> return 0;
>
> rc = tpm_read_log(chip);
> --
> 2.5.0
>
> --
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