Index: acpi.c
===================================================================
RCS file: /usr/repo/src/sys/dev/acpica/acpi.c,v
retrieving revision 1.211
diff -u -p -r1.211 acpi.c
--- acpi.c	14 Apr 2005 06:45:24 -0000	1.211
+++ acpi.c	11 May 2005 18:55:35 -0000
@@ -2359,9 +2359,13 @@ acpi_wake_sysctl_walk(device_t dev)
     device_t child;
     ACPI_STATUS status;
 
+    devlist = NULL;
     error = device_get_children(dev, &devlist, &numdevs);
-    if (error != 0 || numdevs == 0)
+    if (error != 0 || numdevs == 0) {
+        if (devlist != NULL)
+            free(devlist, M_TEMP);
 	return (error);
+    }
     for (i = 0; i < numdevs; i++) {
 	child = devlist[i];
 	acpi_wake_sysctl_walk(child);