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authorBob Moore <robert.moore@intel.com>2008-04-10 19:06:41 +0400
committerLen Brown <len.brown@intel.com>2008-04-22 14:29:28 -0400
commit57345ee6b807d32e5eecf724a463378b80cc261c (patch)
tree4f54f5748cd37d21f38f1ae9c8a52bccfc06f216 /drivers/acpi
parent941f48bb465b0b291f8435b1e3de95b0975b84bc (diff)
downloadop-kernel-dev-57345ee6b807d32e5eecf724a463378b80cc261c.zip
op-kernel-dev-57345ee6b807d32e5eecf724a463378b80cc261c.tar.gz
ACPICA: Undo accidental checkin of not-fully-tested mutex changes
Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/executer/exmutex.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index 7c70938..b8d035c 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -85,7 +85,6 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
} else {
thread->acquired_mutex_list = obj_desc->mutex.next;
}
- return;
}
/*******************************************************************************
@@ -299,17 +298,6 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc)
return (AE_NOT_ACQUIRED);
}
- /* No obj_desc->Mutex.owner_thread for Global Lock */
-
- /*
- * Mutex to be released must be at the head of acquired list to prevent
- * deadlock. (The head of the list is the last mutex acquired.)
- */
- if (obj_desc->mutex.owner_thread &&
- (obj_desc != obj_desc->mutex.owner_thread->acquired_mutex_list)) {
- return (AE_AML_MUTEX_ORDER);
- }
-
/* Match multiple Acquires with multiple Releases */
obj_desc->mutex.acquisition_depth--;
@@ -415,9 +403,6 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
}
status = acpi_ex_release_mutex_object(obj_desc);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
if (obj_desc->mutex.acquisition_depth == 0) {
@@ -426,7 +411,6 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
walk_state->thread->current_sync_level =
obj_desc->mutex.original_sync_level;
}
-
return_ACPI_STATUS(status);
}
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