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authorErik Schmauss <erik.schmauss@intel.com>2018-08-10 14:43:01 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-14 23:49:13 +0200
commitff5340f8ac94d65609424675d587c030da951a53 (patch)
treea4690222264cff4cde10b7629b3b762ccf78f2c4
parent77d4e0966a8a6f8a3aa9d27b067a1fc0ec10628d (diff)
downloadlinux-ff5340f8ac94d65609424675d587c030da951a53.tar.gz
ACPICA: Reference count: add additional debugging details
Make reference counting diagnostics provide more information on
what has happened.

Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/acpi/acpica/utdelete.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 118f3ff1fbb5..8cc4392c61f3 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -355,6 +355,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 	u16 original_count;
 	u16 new_count = 0;
 	acpi_cpu_flags lock_flags;
+	char *message;
 
 	ACPI_FUNCTION_NAME(ut_update_ref_count);
 
@@ -391,6 +392,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 				  object, object->common.type,
 				  acpi_ut_get_object_type_name(object),
 				  new_count));
+		message = "Incremement";
 		break;
 
 	case REF_DECREMENT:
@@ -420,6 +422,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 		if (new_count == 0) {
 			acpi_ut_delete_internal_obj(object);
 		}
+		message = "Decrement";
 		break;
 
 	default:
@@ -436,8 +439,8 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 	 */
 	if (new_count > ACPI_MAX_REFERENCE_COUNT) {
 		ACPI_WARNING((AE_INFO,
-			      "Large Reference Count (0x%X) in object %p, Type=0x%.2X",
-			      new_count, object, object->common.type));
+			      "Large Reference Count (0x%X) in object %p, Type=0x%.2X Operation=%s",
+			      new_count, object, object->common.type, message));
 	}
 }