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authorErik Kaneda <erik.kaneda@intel.com>2021-05-21 15:28:08 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-05-31 13:56:33 +0200
commite4dfe108371214500ee10c2cf19268f53acaa803 (patch)
tree5ee0bcff8c06128d6f23abf2186ccbd1779b525f
parentLinux 5.13-rc4 (diff)
downloadlinux-dev-e4dfe108371214500ee10c2cf19268f53acaa803.tar.xz
linux-dev-e4dfe108371214500ee10c2cf19268f53acaa803.zip
ACPICA: Clean up context mutex during object deletion
ACPICA commit bc43c878fd4ff27ba75b1d111b97ee90d4a82707 Fixes: c27f3d011b08 ("Fix race in GenericSerialBus (I2C) and GPIO OpRegion parameter handling") Link: https://github.com/acpica/acpica/commit/bc43c878 Reported-by: John Garry <john.garry@huawei.com> Reported-by: Xiang Chen <chenxiang66@hisilicon.com> Tested-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/acpi/acpica/utdelete.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 624a26794d55..e5ba9795ec69 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -285,6 +285,14 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
}
break;
+ case ACPI_TYPE_LOCAL_ADDRESS_HANDLER:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+ "***** Address handler %p\n", object));
+
+ acpi_os_delete_mutex(object->address_space.context_mutex);
+ break;
+
default:
break;