svn commit: r202558 - head/sys/dev/acpica

[Andriy Gapon]

Author: avg
Date: Mon Jan 18 10:30:11 2010
New Revision: 202558
URL: http://svn.freebsd.org/changeset/base/202558

Log:
  acpi_ec: clean up 'private' ivar when freeing memory to which it points
  
  This is not only a prudent thing to do, but also makes sure that probe
  method is not confused by non-NULL 'private', if the previous attach
  attempt fails for any reason.
  
  PR:		kern/142561
  Tested by:	Alex Goncharov <alex-goncharov at comcast.net>
  MFC after:	4 days

Modified:
  head/sys/dev/acpica/acpi_ec.c

Modified: head/sys/dev/acpica/acpi_ec.c
==============================================================================
--- head/sys/dev/acpica/acpi_ec.c	Mon Jan 18 10:29:04 2010	(r202557)
+++ head/sys/dev/acpica/acpi_ec.c	Mon Jan 18 10:30:11 2010	(r202558)
@@ -469,6 +469,7 @@ acpi_ec_attach(device_t dev)
     sc->ec_gpehandle = params->gpe_handle;
     sc->ec_uid = params->uid;
     sc->ec_suspending = FALSE;
+    acpi_set_private(dev, NULL);
     free(params, M_TEMP);
 
     /* Attach bus resources for data and command/status ports. */