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linux/drivers/char/tpm
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Christophe JAILLET 5ffa772fb0 TPM: Avoid reference to potentially freed memory 
commit eb8ed1eb9a upstream.

Reference to the 'np' node is dropped before dereferencing the 'sizep' and
'basep' pointers, which could by then point to junk if the node has been
freed.

Refactor code to call 'of_node_put' later.

Fixes: c5df39262d ("drivers/char/tpm: Add securityfs support for event log")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: Peter Huewe <PeterHuewe@gmx.de>
[ luis: backported to 3.16: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2015-12-13 17:49:45 +00:00
..
Kconfig Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
Makefile tpm: Move sysfs functions from tpm-interface to tpm-sysfs 2014-01-06 14:37:24 +01:00
tpm-dev.c tpm: Make tpm-dev allocate a per-file structure 2014-01-06 14:37:25 +01:00
tpm-interface.c TPM: Add new TPMs to the tail of the list to prevent inadvertent change of dev 2015-02-24 10:01:04 +00:00
tpm-sysfs.c tpm/tpm-sysfs: active_show() can be static 2014-01-06 14:37:25 +01:00
tpm.h tpm: Make tpm-dev allocate a per-file structure 2014-01-06 14:37:25 +01:00
tpm_acpi.c ACPI: Clean up acpi_os_map/unmap_memory() to eliminate __iomem. 2014-05-27 18:13:08 +02:00
tpm_atmel.c tpm: Create a tpm_class_ops structure and use it in the drivers 2014-01-06 14:37:25 +01:00
tpm_atmel.h tpmdd maintainers 2007-08-22 19:52:44 -07:00
tpm_eventlog.c tpm: Merge the tpm-bios module with tpm.o 2013-10-22 19:43:01 +02:00
tpm_eventlog.h drivers/char/tpm: Add securityfs support for event log 2012-08-22 16:22:47 -05:00
tpm_i2c_atmel.c char: tpm: Add missing error check for devm_kzalloc 2015-02-24 10:01:04 +00:00
tpm_i2c_infineon.c drivers/char: delete non-required instances of include <linux/init.h> 2014-02-07 15:10:19 -08:00
tpm_i2c_nuvoton.c char: tpm: Add missing error check for devm_kzalloc 2015-02-24 10:01:04 +00:00
tpm_i2c_stm_st33.c tpm/tpm_i2c_stm_st33: Add status check when reading data on the FIFO 2015-02-24 10:01:05 +00:00
tpm_i2c_stm_st33.h tpm_i2c_stm_st33: fix oops when i2c client is unavailable 2013-02-05 09:38:24 -06:00
tpm_ibmvtpm.c vTPM: fix memory allocation flag for rtce buffer at kernel boot 2015-12-13 17:48:49 +00:00
tpm_ibmvtpm.h tpm/ibmvtpm: Additional LE support for tpm_ibmvtpm_send 2015-03-23 15:16:34 +00:00
tpm_infineon.c tpm: Create a tpm_class_ops structure and use it in the drivers 2014-01-06 14:37:25 +01:00
tpm_nsc.c tpm: Create a tpm_class_ops structure and use it in the drivers 2014-01-06 14:37:25 +01:00
tpm_of.c TPM: Avoid reference to potentially freed memory 2015-12-13 17:49:45 +00:00
tpm_ppi.c ACPI / TPM: Fix resume regression on Chromebooks 2014-05-12 01:13:28 +02:00
tpm_tis.c tpm_tis: verify interrupt during init 2015-02-24 10:01:04 +00:00
xen-tpmfront.c Features: 2014-01-22 22:00:18 -08:00