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ACPICA: Parser: Fix a regression in LoadTable support 

ACPICA commit a78506e0ce8ab1d20db2a055d99cf9143e89eb29

LoadTable allows an alternative RootPathString than the default "\", while
the new table execution support fails to keep this logic.

This regression can be detected by ASLTS - TLT0.tst4, this patch fixes this
regression.

Linux upstream is not affected by this regression as we haven't enabled the
new table execution support there. BZ 1326, Lv Zheng.

Link: https://github.com/acpica/acpica/commit/a78506e0
Link: https://bugs.acpica.org/show_bug.cgi?id=1326
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
steinar/wifi_calib_4_9_kernel
Lv Zheng 2016-09-23 11:26:43 +08:00 committed by Rafael J. Wysocki
parent 9febcdc071
commit 7a0b71dc80
1 changed files with 11 additions and 0 deletions
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11
drivers/acpi/acpica/psxface.c
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@ -305,6 +305,17 @@ acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info)
walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL;
}
/* Info->Node is the default location to load the table */
if (info->node && info->node != acpi_gbl_root_node) {
status =
acpi_ds_scope_stack_push(info->node, ACPI_TYPE_METHOD,
walk_state);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
}
/*
* Parse the AML, walk_state will be deleted by parse_aml
*/