linux/drivers/char/tpm
Jarkko Sakkinen 0178f9d0f6 tpm: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status()
Do not tear down the system when getting invalid status from a TPM chip.
This can happen when panic-on-warn is used.

Instead, introduce TPM_TIS_INVALID_STATUS bitflag and use it to trigger
once the error reporting per chip. In addition, print out the value of
TPM_STS for improved forensics.

Link: https://lore.kernel.org/keyrings/YKzlTR1AzUigShtZ@kroah.com/
Fixes: 55707d531a ("tpm_tis: Add a check for invalid status")
Cc: stable@vger.kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-23 16:51:04 +03:00
..
eventlog tpm: vtpm_proxy: Avoid reading host log when using a virtual device 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: fix some doc warnings in tpm1-cmd.c 2021-06-23 16:51:03 +03:00
tpm2-cmd.c tpm: add longer timeout for TPM2_CC_VERIFY_SIGNATURE 2021-06-23 16:51:03 +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: Use IOMEM_ERR_PTR when function returns iomem 2021-06-23 16:51:03 +03:00
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: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status() 2021-06-23 16:51:04 +03:00
tpm_tis_core.h tpm: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status() 2021-06-23 16:51:04 +03:00
tpm_tis_i2c_cr50.c char: tpm: move to use request_irq by IRQF_NO_AUTOEN flag 2021-06-23 16:51:03 +03:00
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: add missing SPI device ID entries 2021-06-23 16:51:03 +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: Use DEFINE_RES_MEM() to simplify code 2021-06-23 16:51:03 +03:00
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