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linux/drivers/char/tpm
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Jonathan McDowell 82478cb8a2 tpm: Clean up TPM space after command failure 
[ Upstream commit e3aaebcbb7 ]

tpm_dev_transmit prepares the TPM space before attempting command
transmission. However if the command fails no rollback of this
preparation is done. This can result in transient handles being leaked
if the device is subsequently closed with no further commands performed.

Fix this by flushing the space in the event of command transmission
failure.

Fixes: 745b361e98 ("tpm: infrastructure for TPM spaces")
Signed-off-by: Jonathan McDowell <noodles@meta.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-10-04 16:29:14 +02:00
..
eventlog char: tpm: Fix possible memory leak in tpm_bios_measurements_open() 2024-08-03 08:54:14 +02:00
st33zp24 tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
Kconfig tpm: Add tpm_tis_i2c backend for tpm_tis_core 2022-08-03 23:56:20 +03:00
Makefile tpm: Add tpm_tis_i2c backend for tpm_tis_core 2022-08-03 23:56:20 +03:00
tpm-chip.c tpm: Fix typo in tpmrm class definition 2023-09-12 23:07:37 +03:00
tpm-dev-common.c tpm: Clean up TPM space after command failure 2024-10-04 16:29:14 +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: make all 'class' structures const 2023-08-05 08:31:41 +02:00
tpm-sysfs.c tpm: Add Upgrade/Reduced mode support for TPM2 modules 2022-01-09 00:18:47 +02:00
tpm.h tpm: make all 'class' structures const 2023-08-05 08:31:41 +02:00
tpm1-cmd.c tpm: Add upgrade/reduced mode support for TPM1.2 modules 2022-08-03 23:56:19 +03:00
tpm2-cmd.c tpm: add vendor flag to command code validation 2023-02-13 10:11:20 +02:00
tpm2-space.c tpm: Clean up TPM space after command failure 2024-10-04 16:29:14 +02:00
tpm_atmel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
tpm_atmel.h tpm: atmel: Add explicit include for of.h 2023-04-06 20:36:27 +02:00
tpm_crb.c tpm: Enable hwrng only for Pluton on AMD CPUs 2023-09-04 21:57:59 +03:00
tpm_ftpm_tee.c tpm: Explicitly include correct DT includes 2023-08-28 13:36:24 -05:00
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 tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_i2c_infineon.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_i2c_nuvoton.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_ibmvtpm.c tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe() 2022-05-23 18:47:49 +03:00
tpm_ibmvtpm.h tpm: ibmvtpm: Avoid error message when process gets signal while waiting 2021-08-23 19:55:42 +03:00
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 char: move from strlcpy with unused retval to strscpy 2022-10-05 00:25:56 +03:00
tpm_tis.c Devicetree include cleanups for v6.6: 2023-08-30 17:04:28 -07:00
tpm_tis_core.c tpm_tis: Do *not* flush uninitialized work 2024-06-16 13:47:41 +02:00
tpm_tis_core.h tpm_tis: Use responseRetry to recover from data transfer errors 2023-08-17 20:12:41 +00:00
tpm_tis_i2c.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_tis_i2c_cr50.c tpm: Switch i2c drivers back to use .probe() 2023-07-28 18:12:40 +00:00
tpm_tis_spi.h tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops 2022-05-23 18:47:49 +03:00
tpm_tis_spi_cr50.c tpm: Remove read16/read32/write32 calls from tpm_tis_phy_ops 2022-05-23 18:47:49 +03:00
tpm_tis_spi_main.c tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer 2024-06-12 11:12:51 +02:00
tpm_tis_synquacer.c Devicetree include cleanups for v6.6: 2023-08-30 17:04:28 -07:00
tpm_vtpm_proxy.c tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation 2023-07-17 19:32:30 +00:00
tpmrm-dev.c tpm: Unify the mismatching TPM space buffer sizes 2020-07-24 09:26:23 +03:00
xen-tpmfront.c xen: make remove callback of xen driver void returned 2022-12-15 16:06:10 +01:00