forked from Minki/linux
0d6d0d62d9
For TPM 1.2 chips the system setup utility allows to set the TPM device in one of the following states: * Active: Security chip is functional * Inactive: Security chip is visible, but is not functional * Disabled: Security chip is hidden and is not functional When choosing the "Inactive" state, the TPM 1.2 device is enumerated and registered, but sending TPM commands fail with either TPM_DEACTIVATED or TPM_DISABLED depending if the firmware deactivated or disabled the TPM. Since these TPM 1.2 error codes don't have special treatment, inactivating the TPM leads to a very noisy kernel log buffer that shows messages like the following: tpm_tis 00:05: 1.2 TPM (device-id 0x0, rev-id 78) tpm tpm0: A TPM error (6) occurred attempting to read a pcr value tpm tpm0: TPM is disabled/deactivated (0x6) tpm tpm0: A TPM error (6) occurred attempting get random tpm tpm0: A TPM error (6) occurred attempting to read a pcr value ima: No TPM chip found, activating TPM-bypass! (rc=6) tpm tpm0: A TPM error (6) occurred attempting get random tpm tpm0: A TPM error (6) occurred attempting get random tpm tpm0: A TPM error (6) occurred attempting get random tpm tpm0: A TPM error (6) occurred attempting get random Let's just suppress error log messages for the TPM_{DEACTIVATED,DISABLED} return codes, since this is expected when the TPM 1.2 is set to Inactive. In that case the kernel log is cleaner and less confusing for users, i.e: tpm_tis 00:05: 1.2 TPM (device-id 0x0, rev-id 78) tpm tpm0: TPM is disabled/deactivated (0x6) ima: No TPM chip found, activating TPM-bypass! (rc=6) Reported-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
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.. | ||
agp | ||
hw_random | ||
ipmi | ||
mwave | ||
pcmcia | ||
tpm | ||
xilinx_hwicap | ||
xillybus | ||
adi.c | ||
apm-emulation.c | ||
applicom.c | ||
applicom.h | ||
bsr.c | ||
ds1620.c | ||
dsp56k.c | ||
dtlk.c | ||
efirtc.c | ||
generic_nvram.c | ||
hangcheck-timer.c | ||
hpet.c | ||
Kconfig | ||
lp.c | ||
Makefile | ||
mbcs.c | ||
mbcs.h | ||
mem.c | ||
misc.c | ||
mspec.c | ||
nsc_gpio.c | ||
nvram.c | ||
nwbutton.c | ||
nwbutton.h | ||
nwflash.c | ||
pc8736x_gpio.c | ||
powernv-op-panel.c | ||
ppdev.c | ||
ps3flash.c | ||
random.c | ||
raw.c | ||
rtc.c | ||
scx200_gpio.c | ||
snsc_event.c | ||
snsc.c | ||
snsc.h | ||
sonypi.c | ||
tb0219.c | ||
tlclk.c | ||
toshiba.c | ||
ttyprintk.c | ||
uv_mmtimer.c | ||
virtio_console.c |