From ede267805d9d34d230a2c7c24478a190be375e19 Mon Sep 17 00:00:00 2001
From: Brad Parker <cbparker@gmail.com>
Date: Mon, 2 Jan 2017 22:16:00 -0500
Subject: [PATCH] fix memory leak in linux battery check

---
 frontend/drivers/platform_linux.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontend/drivers/platform_linux.c b/frontend/drivers/platform_linux.c
index 89000546ed..d8b2617538 100644
--- a/frontend/drivers/platform_linux.c
+++ b/frontend/drivers/platform_linux.c
@@ -794,6 +794,10 @@ static void check_proc_acpi_sysfs_battery(const char *node,
    else if (strstr((char*)buf, "Full"))
       *have_battery = true;
 
+   if (buf)
+      free(buf);
+   buf = NULL;
+
    snprintf(path, sizeof(path), "%s/%s/%s", base, node, "capacity");
    if (filestream_read_file(path, (void**)&buf, &length) != 1)
       goto end;