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- linux-2.6-acpi-fix-alias.patch: fix ACPI object aliasing (#608648)

This commit is contained in:
Matthew Garrett 2011-02-09 12:12:47 -05:00
parent d9bdee82eb
commit 786d460759
2 changed files with 38 additions and 1 deletions
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6
kernel.spec
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@ -648,6 +648,7 @@ Patch390: linux-2.6-defaults-acpi-video.patch
Patch391: linux-2.6-acpi-video-dos.patch
Patch392: linux-2.6-acpi-video-export-edid.patch
Patch393: acpi-ec-add-delay-before-write.patch
Patch394: linux-2.6-acpi-fix-alias.patch
Patch450: linux-2.6-input-kill-stupid-messages.patch
Patch452: linux-2.6.30-no-pcspkr-modalias.patch
@ -1366,6 +1367,7 @@ ApplyPatch linux-2.6-defaults-acpi-video.patch
ApplyPatch linux-2.6-acpi-video-dos.patch
ApplyPatch linux-2.6-acpi-video-export-edid.patch
ApplyPatch acpi-ec-add-delay-before-write.patch
ApplyPatch linux-2.6-acpi-fix-alias.patch
# Various low-impact patches to aid debugging.
ApplyPatch linux-2.6-debug-sizeof-structs.patch
@ -2301,8 +2303,10 @@ fi
%kernel_variant_files %{with_pae} PAE
%kernel_variant_files %{with_pae_debug} PAEdebug
%changelog
* Wed Feb 09 2011 Matthew Garrett <mjg@redhat.com>
- linux-2.6-acpi-fix-alias.patch: fix ACPI object aliasing (#608648)
* Sat Feb 05 2011 Chuck Ebbert <cebbert@redhat.com>
- Linux 2.6.34.8
- Drop merged patches:

33
linux-2.6-acpi-fix-alias.patch Normal file
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@ -0,0 +1,33 @@
diff -up linux-2.6.34.x86_64/drivers/acpi/acpica/dsobject.c.mjg59 linux-2.6.34.x86_64/drivers/acpi/acpica/dsobject.c
--- linux-2.6.34.x86_64/drivers/acpi/acpica/dsobject.c.mjg59 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.x86_64/drivers/acpi/acpica/dsobject.c 2011-02-09 12:08:58.430275518 -0500
@@ -81,6 +81,7 @@ acpi_ds_build_internal_object(struct acp
{
union acpi_operand_object *obj_desc;
acpi_status status;
+ acpi_object_type type;
ACPI_FUNCTION_TRACE(ds_build_internal_object);
@@ -172,7 +173,20 @@ acpi_ds_build_internal_object(struct acp
return_ACPI_STATUS(status);
}
- switch (op->common.node->type) {
+ /*
+ * Special handling for Alias objects. We need to setup the type
+ * and the Op->Common.Node to point to the Alias target. Note,
+ * Alias has at most one level of indirection internally.
+ */
+ type = op->common.node->type;
+ if (type == ACPI_TYPE_LOCAL_ALIAS) {
+ type = obj_desc->common.type;
+ op->common.node =
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ op->common.node->object);
+ }
+
+ switch (type) {
/*
* For these types, we need the actual node, not the subobject.
* However, the subobject did not get an extra reference count above.