linux/drivers/char/tpm
Ricardo Schwarzmeier 36a11029b0 tpm: Return the actual size when receiving an unsupported command
The userpace expects to read the number of bytes stated in the header.
Returning the size of the buffer instead would be unexpected.

Cc: stable@vger.kernel.org
Fixes: 095531f891 ("tpm: return a TPM_RC_COMMAND_CODE response if command is not implemented")
Signed-off-by: Ricardo Schwarzmeier <Ricardo.Schwarzmeier@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2018-07-28 17:03:11 +03:00
..
eventlog tpm: replace kmalloc() + memcpy() with kmemdup() 2018-05-14 13:59:52 +03:00
st33zp24 tpm/st33zp24: Fix spelling mistake in macro ST33ZP24_TISREGISTER_UKNOWN 2018-05-09 14:45:46 +03:00
Kconfig tpm: Move Linux RNG connection to hwrng 2018-01-08 12:58:36 +02:00
Makefile tpm: Move shared eventlog functions to common.c 2018-05-09 14:45:46 +03:00
tpm-chip.c tpm: Move Linux RNG connection to hwrng 2018-01-08 12:58:36 +02:00
tpm-dev-common.c tpm: fix race condition in tpm_common_write() 2018-05-30 20:11:31 +03:00
tpm-dev.c tpm: split out tpm-dev.c into tpm-dev.c and tpm-common-dev.c 2017-04-03 22:46:01 +03:00
tpm-dev.h tpm: fix race condition in tpm_common_write() 2018-05-30 20:11:31 +03:00
tpm-interface.c tpm: Return the actual size when receiving an unsupported command 2018-07-28 17:03:11 +03:00
tpm-sysfs.c tpm: migrate pubek_show to struct tpm_buf 2017-10-12 14:28:59 +03:00
tpm.h tpm: separate cmd_ready/go_idle from runtime_pm 2018-07-28 17:03:11 +03:00
tpm2-cmd.c tpm: migrate tpm2_get_random() to use struct tpm_buf 2018-07-28 17:03:11 +03:00
tpm2-space.c tpm: separate cmd_ready/go_idle from runtime_pm 2018-07-28 17:03:11 +03:00
tpm_atmel.c tpm/tpm_atmel: remove unnecessary NULL check 2017-06-19 02:36:04 +02:00
tpm_atmel.h tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_crb.c tpm: separate cmd_ready/go_idle from runtime_pm 2018-07-28 17:03:11 +03:00
tpm_i2c_atmel.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_infineon.c tpm/tpm_i2c_infineon: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT) 2018-07-28 17:03:11 +03:00
tpm_i2c_nuvoton.c tpm_i2c_nuvoton: fix potential buffer overruns caused by bit glitches on the bus 2018-02-26 15:43:44 -08:00
tpm_ibmvtpm.c tpm: ibmvtpm: simplify crq initialization and document crq format 2017-09-23 21:51:38 -07:00
tpm_ibmvtpm.h tpm_ibmvtpm: properly handle interrupted packet receptions 2015-12-20 15:27:12 +02:00
tpm_infineon.c tpm: replace msleep() with usleep_range() in TPM 1.2/2.0 generic drivers 2017-09-23 21:51:00 -07:00
tpm_nsc.c tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_ppi.c ACPI: Switch to use generic guid_t in acpi_evaluate_dsm() 2017-06-07 12:20:49 +02:00
tpm_tis.c tpm: remove unused variables 2018-01-08 12:58:54 +02:00
tpm_tis_core.c tpm: reduce polling time to usecs for even finer granularity 2018-05-18 10:00:01 +03:00
tpm_tis_core.h kernel.h: Retain constant expression output for max()/min() 2018-04-05 14:17:16 -07:00
tpm_tis_spi.c tpm_tis_spi: Pass the SPI IRQ down to the driver 2018-07-28 17:03:11 +03:00
tpm_vtpm_proxy.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
tpmrm-dev.c tpm, tpmrm: Mark tpmrm_write as static 2017-06-13 22:02:08 +03:00
xen-tpmfront.c tpm: move wait_for_tpm_stat() to respective driver files 2017-12-16 20:27:32 +02:00