From 4defb5f912a0ba60e07e91a4b62634814cd99b7f Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.king@canonical.com>
Date: Fri, 2 Dec 2016 15:18:06 +0000
Subject: [PATCH] orangefs: fix memory leak of string 'new' on exit path
allocates string 'new' is not free'd on the exit path when
cdm_element_count <= 0. Fix this by kfree'ing it.
Fixes CoverityScan CID#1375923 "Resource Leak"
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
---
fs/orangefs/orangefs-debugfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index 38887cc5577f..b5dbc9c6530c 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -671,8 +671,10 @@ int orangefs_prepare_debugfs_help_string(int at_boot)
*/
cdm_element_count =
orangefs_prepare_cdm_array(client_debug_array_string);
- if (cdm_element_count <= 0)
+ if (cdm_element_count <= 0) {
+ kfree(new);
goto out;
+ }
for (i = 0; i < cdm_element_count; i++) {
strlcat(new, "\t", string_size);