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authorNayna Jain <nayna@linux.ibm.com>2019-07-11 12:13:35 -0400
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2019-08-05 00:55:00 +0300
commitfa4f99c05320eb28bf6ba52a9adf64d888da1f9e (patch)
treec66fea5ae2f288c438094918bdbaf79c26b06ed1 /Makefile
parent1e5ac6300a07ceecfc70a893ebef3352be21e6f8 (diff)
tpm: tpm_ibm_vtpm: Fix unallocated banks
The nr_allocated_banks and allocated banks are initialized as part of tpm_chip_register. Currently, this is done as part of auto startup function. However, some drivers, like the ibm vtpm driver, do not run auto startup during initialization. This results in uninitialized memory issue and causes a kernel panic during boot. This patch moves the pcr allocation outside the auto startup function into tpm_chip_register. This ensures that allocated banks are initialized in any case. Fixes: 879b589210a9 ("tpm: retrieve digest size of unknown algorithms with PCR read") Reported-by: Michal Suchanek <msuchanek@suse.de> Signed-off-by: Nayna Jain <nayna@linux.ibm.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com> Tested-by: Michal Suchánek <msuchanek@suse.de> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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