Commit 97d74657 authored by Octavian Purdila's avatar Octavian Purdila Committed by Rafael J. Wysocki

ACPICA: take ACPI_MTX_INTERPRETER in acpi_unload_table_id()

acpi_tb_delete_namespace_by_owner() expects ACPI_MTX_INTERPRETER to be
taken. This fixes the following issue:

ACPI Error: Mutex [0x0] is not acquired, cannot release (20141107/utmutex-322)
Call Trace:
  [<ffffffff81b0bd28>] dump_stack+0x4f/0x7b
  [<ffffffff81546bfc>] acpi_ut_release_mutex+0x47/0x67
  [<ffffffff81542cf1>] acpi_tb_delete_namespace_by_owner+0x57/0x8d
  [<ffffffff81543ef1>] acpi_unload_table_id+0x3a/0x5e
Signed-off-by: default avatarOctavian Purdila <octavian.purdila@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent ec6f34e5
......@@ -281,6 +281,11 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
ACPI_FUNCTION_TRACE(acpi_unload_table_id);
status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Find table in the global table list */
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if (id != acpi_gbl_root_table_list.tables[i].owner_id) {
......@@ -297,6 +302,8 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
acpi_tb_set_table_loaded_flag(i, FALSE);
break;
}
(void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
return_ACPI_STATUS(status);
}
......
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