From: Erik Schmauss <erik.schmauss@intel.com>
Date: Fri, 17 Nov 2017 15:42:23 -0800
Subject: ACPICA: Namespace: fix memory leak from building prefixed pathname
Patch-mainline: v4.16-rc1
Git-commit: dea4e83358f23bcb178e9cb23e9278ff5a8cea76
References: bsc#1117419
ACPICA commit f8ca5db30605467b851f86d152079631c27eeca8
Link: https://github.com/acpica/acpica/commit/f8ca5db3
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
drivers/acpi/acpica/nsnames.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -377,7 +377,7 @@ char *acpi_ns_build_prefixed_pathname(un
{
acpi_status status;
char *full_path = NULL;
- char *external_path;
+ char *external_path = NULL;
char *prefix_path = NULL;
u32 prefix_path_length = 0;
@@ -423,6 +423,9 @@ cleanup:
if (prefix_path) {
ACPI_FREE(prefix_path);
}
+ if (external_path) {
+ ACPI_FREE(external_path);
+ }
return (full_path);
}