[PATCH] lib: fwts_log_json: fix memory leak

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

The string str is not being free'd after use, leading to a memory
leak. Free it.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/lib/src/fwts_log_json.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib/src/fwts_log_json.c b/src/lib/src/fwts_log_json.c
index 1a917e63..7bb5110a 100644
--- a/src/lib/src/fwts_log_json.c
+++ b/src/lib/src/fwts_log_json.c
@@ -211,7 +211,7 @@ static void fwts_log_open_json(fwts_log_file *log_file)
 
 static void fwts_log_close_json(fwts_log_file *log_file)
 {
-	const char *str;
+	char *str;
 
 	fwts_log_section_end_json(log_file);
 
@@ -233,6 +233,7 @@ static void fwts_log_close_json(fwts_log_file *log_file)
 		log_file->line_number++;
 	}
 	json_object_put(json_stack[0].obj);
+	free(str);
 }
 
 fwts_log_ops fwts_log_json_ops = {
-- 
2.27.0