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3dcd15665a
linux/drivers/char/tpm
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Stefan Berger 3dcd15665a tpm: acpi: Check eventlog signature before using it 
Check the eventlog signature before using it. This avoids using an
empty log, as may be the case when QEMU created the ACPI tables,
rather than probing the EFI log next. This resolves an issue where
the EFI log was empty since an empty ACPI log was used.

Cc: stable@vger.kernel.org
Fixes: 85467f63a0 ("tpm: Add support for event log pointer found in TPM2 ACPI table")
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2021-04-14 16:30:30 +03:00
..
eventlog tpm: acpi: Check eventlog signature before using it 2021-04-14 16:30:30 +03:00
st33zp24 tpm/st33zp24: fix spelling mistake "drescription" -> "description" 2020-07-02 17:49:00 +03:00
Kconfig char: tpm: add i2c driver for cr50 2021-02-16 10:40:27 +02:00
Makefile char: tpm: add i2c driver for cr50 2021-02-16 10:40:27 +02:00
tpm1-cmd.c tpm: provide a way to override the chip returned durations 2019-11-12 21:45:36 +02:00
tpm2-cmd.c tpm: Export tpm2_get_cc_attrs_tbl for ibmvtpm driver as module 2020-04-21 00:06:13 +03:00
tpm2-space.c tpm: Unify the mismatching TPM space buffer sizes 2020-07-24 09:26:23 +03:00
tpm_atmel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_atmel.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_crb.c tpm_crb: fix fTPM on AMD Zen+ CPUs 2019-11-12 21:45:37 +02:00
tpm_ftpm_tee.c Enable multi-stage OP-TEE bus enumeration 2020-07-13 15:11:44 +02:00
tpm_ftpm_tee.h tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE 2019-09-02 17:08:35 +03:00
tpm_i2c_atmel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
tpm_i2c_infineon.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_i2c_nuvoton.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
tpm_ibmvtpm.c vio: make remove callback return void 2021-03-02 22:41:23 +11:00
tpm_ibmvtpm.h tpm: ibmvtpm: Wait for buffer to be set before proceeding 2020-03-15 20:12:52 +02:00
tpm_infineon.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_nsc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_ppi.c tpm/ppi: Constify static struct attribute_group 2021-02-16 10:40:27 +02:00
tpm_tis_core.c tpm, tpm_tis: Decorate tpm_tis_gen_interrupt() with request_locality() 2021-02-24 18:53:22 +02:00
tpm_tis_core.h tpm_tis: Add a check for invalid status 2020-10-02 00:21:03 +03:00
tpm_tis_i2c_cr50.c char: tpm: add i2c driver for cr50 2021-02-16 10:40:27 +02:00
tpm_tis_spi_cr50.c tpm: tpm_tis_spi_cr50: use new structure for SPI transfer delays 2020-03-13 03:53:16 +02:00
tpm_tis_spi_main.c tpm_tis_spi: Prefer async probe 2020-07-02 17:49:00 +03:00
tpm_tis_spi.h tpm: tpm_tis_spi: Support cr50 devices 2019-11-12 21:45:37 +02:00
tpm_tis_synquacer.c tpm: tis: add support for MMIO TPM on SynQuacer 2020-10-02 00:21:02 +03:00
tpm_tis.c tpm_tis: Disable interrupts on ThinkPad T490s 2020-11-06 18:21:00 +02:00
tpm_vtpm_proxy.c compat_ioctl: move drivers to compat_ptr_ioctl 2019-10-23 17:23:43 +02:00
tpm-chip.c tpm: Remove unintentional dump_stack() call 2021-03-03 17:43:52 +02:00
tpm-dev-common.c tpm: Remove tpm_dev_wq_lock 2021-02-16 10:40:27 +02:00
tpm-dev.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm-dev.h tpm: Handle negative priv->response_len in tpm_common_read() 2020-01-08 18:11:09 +02:00
tpm-interface.c tpm: fix wrong return value in tpm_pcr_extend 2020-04-21 00:06:13 +03:00
tpm-sysfs.c tpm: add sysfs exports for all banks of PCR registers 2021-02-16 10:40:27 +02:00
tpm.h KEYS: trusted: Reserve TPM for seal and unseal operations 2021-02-16 10:40:28 +02:00
tpmrm-dev.c tpm: Unify the mismatching TPM space buffer sizes 2020-07-24 09:26:23 +03:00
xen-tpmfront.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00