From: Bob Moore <robert.moore@xxxxxxxxx>
Fix dereference of possibly null pointer "Predefined" in the case
where the method is not one of the predefined methods.
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/acpica/nspredef.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index d9e8cbc..7f8e066 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -144,7 +144,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
pathname = acpi_ns_get_external_pathname(node);
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,
}
exit:
- if (pathname != predefined->info.name) {
- ACPI_FREE(pathname);
- }
-
+ ACPI_FREE(pathname);
return (status);
}
--
1.6.0.6
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