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| author | Lv Zheng <zetalog@gmail.com> | 2016-10-26 10:42:01 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-10-29 02:57:43 +0300 |
| commit | 8633db6b027952449e155a316f4ae3a530bbe18f (patch) | |
| tree | 4e190d0de7e971105a5d3960c3f56a4d1e32ec57 /drivers/acpi/acpica/evrgnini.c | |
| parent | 8121aa26e32012ca89afafa5e503b879950ac0fe (diff) | |
| download | linux-8633db6b027952449e155a316f4ae3a530bbe18f.tar.xz | |
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
In the code path of acpi_ev_initialize_region(), there is namespace
modification code unlocked. This patch tunes the code to make sure
such modification are always locked.
Fixes: 74f51b80a0c4 (ACPICA: Namespace: Fix dynamic table loading issues)
Tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/evrgnini.c')
| -rw-r--r-- | drivers/acpi/acpica/evrgnini.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 3843f1fc5dbb..75ddd160a716 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -45,6 +45,7 @@ #include "accommon.h" #include "acevents.h" #include "acnamesp.h" +#include "acinterp.h" #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evrgnini") @@ -597,9 +598,11 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, } } + acpi_ex_exit_interpreter(); status = acpi_ev_execute_reg_method(region_obj, ACPI_REG_CONNECT); + acpi_ex_enter_interpreter(); if (acpi_ns_locked) { status = |