linux-kernel - [PATCH 2/2] fs/ntfs3: Avoid possible memory leak

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Message-Id: <20230925044807.92037-2-suhui@nfschina.com>
Date:   Mon, 25 Sep 2023 12:48:07 +0800
From:   Su Hui <suhui@...china.com>
To:     almaz.alexandrovich@...agon-software.com
Cc:     Su Hui <suhui@...china.com>, ntfs3@...ts.linux.dev,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 2/2] fs/ntfs3: Avoid possible memory leak

smatch warn:
fs/ntfs3/fslog.c:2172 last_log_lsn() warn: possible memory leak of 'page_bufs'
Jump to label 'out' to free 'page_bufs' and is more consistent with
other code.

Signed-off-by: Su Hui <suhui@...china.com>
---
 fs/ntfs3/fslog.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 12f28cdf5c83..98ccb6650858 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -2168,8 +2168,10 @@ static int last_log_lsn(struct ntfs_log *log)
 
 			if (!page) {
 				page = kmalloc(log->page_size, GFP_NOFS);
-				if (!page)
-					return -ENOMEM;
+				if (!page) {
+					err = -ENOMEM;
+					goto out;
+				}
 			}
 
 			/*
-- 
2.30.2