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Hanjun Guo 8740a12ca2 tpm: acpi: Call acpi_put_table() to fix memory leak

The start and length of the event log area are obtained from
TPM2 or TCPA table, so we call acpi_get_table() to get the
ACPI information, but the acpi_get_table() should be coupled with
acpi_put_table() to release the ACPI memory, add the acpi_put_table()
properly to fix the memory leak.

While we are at it, remove the redundant empty line at the
end of the tpm_read_log_acpi().

Fixes: 0bfb237460 ("tpm: Move eventlog files to a subdirectory")
Fixes: 85467f63a0 ("tpm: Add support for event log pointer found in TPM2 ACPI table")
Cc: stable@vger.kernel.org
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>

2022-12-08 16:20:47 +00:00

acpi.c

tpm: acpi: Call acpi_put_table() to fix memory leak

2022-12-08 16:20:47 +00:00

common.c

tpm: vtpm_proxy: Avoid reading host log when using a virtual device

2021-04-14 16:30:30 +03:00

common.h

tpm: Move eventlog declarations to its own header

2018-05-09 14:45:46 +03:00

efi.c

tpm: efi: Use local variable for calculating final log size