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authorJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
commite4b636366c00738b9609cda307014d71b1225b7f (patch)
tree760b67b3624eda62e943e48ce93635c30a5b47bf /drivers/acpi/acpica/rscalc.c
parentb9ed7252d219c1c663944bf03846eabb515dbe75 (diff)
parent279e677faa775ad16e75c32e1bf4a37f8158bc61 (diff)
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Merge branch 'master' into for-2.6.31
Conflicts: drivers/block/hd.c drivers/block/mg_disk.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/acpi/acpica/rscalc.c')
-rw-r--r--drivers/acpi/acpica/rscalc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index b6667ff059e5..88b5a2c4814d 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -543,6 +543,13 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
package_element = *top_object_list;
+ /* We must have a valid Package object */
+
+ if (!package_element ||
+ (package_element->common.type != ACPI_TYPE_PACKAGE)) {
+ return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ }
+
/*
* The sub_object_list will now point to an array of the
* four IRQ elements: Address, Pin, Source and source_index