Commit 65259094 authored by Bob Moore's avatar Bob Moore Committed by Len Brown

ACPICA: Fix possible dereference of null pointer

Fix dereference of possibly null pointer "Predefined" in the case
where the method is not one of the predefined methods.
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b21245a8
...@@ -144,7 +144,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, ...@@ -144,7 +144,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
pathname = acpi_ns_get_external_pathname(node); pathname = acpi_ns_get_external_pathname(node);
if (!pathname) { if (!pathname) {
pathname = ACPI_CAST_PTR(char, predefined->info.name); return AE_OK; /* Could not get pathname, ignore */
} }
/* /*
...@@ -230,10 +230,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node, ...@@ -230,10 +230,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
} }
exit: exit:
if (pathname != predefined->info.name) {
ACPI_FREE(pathname); ACPI_FREE(pathname);
}
return (status); return (status);
} }
......
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