ACPICA: Fix possible memory leak in acpi_ns_get_external_pathname
Fixes a memory leak in the error exit path.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index bd57738..9c587bd 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -142,7 +142,7 @@
size = acpi_ns_get_pathname_length(node);
if (!size) {
- return (NULL);
+ return_PTR(NULL);
}
/* Allocate a buffer to be returned to caller */
@@ -157,7 +157,8 @@
status = acpi_ns_build_external_path(node, size, name_buffer);
if (ACPI_FAILURE(status)) {
- return (NULL);
+ ACPI_FREE(name_buffer);
+ return_PTR(NULL);
}
return_PTR(name_buffer);