Account for the minimum resource size when parsing the end tag resource

descriptor.  This should fix the "memory modified after free" panics.  This
patch will appear in a future acpi-ca distribution.

Submitted by:	Robert Moore <robert.moore / intel.com>
Tested by:	Peter Holm

1 files changed, 3 insertions, 5 deletions

diff --git a/sys/contrib/dev/acpica/rscalc.c b/sys/contrib/dev/acpica/rscalc.c
index 3c33c6ac97aa..e8187d6973b8 100644
--- a/sys/contrib/dev/acpica/rscalc.c
+++ b/sys/contrib/dev/acpica/rscalc.c
@@ -514,12 +514,10 @@ AcpiRsGetListLength (
 
             case ACPI_RESOURCE_NAME_END_TAG:
                 /*
-                 * End Tag:
-                 * Terminate the loop now
+                 * End Tag: This is the normal exit, add size of EndTag
                  */
-                AmlBufferLength = BytesParsed;
-                break;
-
+                *SizeNeeded = BufferSize + ACPI_RS_SIZE_MIN;
+                return_ACPI_STATUS (AE_OK);
 
             default:
                 break;