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path: root/drivers/acpi/acpica/rsdump.c
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-rw-r--r--drivers/acpi/acpica/rsdump.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index cab51445189..b5fc0db2e87 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -385,6 +385,14 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
return;
}
+ /* Sanity check the length. It must not be zero, or we loop forever */
+
+ if (!resource_list->length) {
+ acpi_os_printf
+ ("Invalid zero length descriptor in resource list\n");
+ return;
+ }
+
/* Dump the resource descriptor */
if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {