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Date:   Sun, 10 May 2020 00:45:38 +0100
From:   Al Viro <viro@...IV.linux.org.uk>
To:     linux-kernel@...r.kernel.org
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH 01/20] dlmfs_file_write(): get rid of pointless access_ok()

From: Al Viro <viro@...iv.linux.org.uk>

address passed only to copy_from_user()

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 fs/ocfs2/dlmfs/dlmfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 1de77f1a600b..a06f19b67d3b 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -291,9 +291,6 @@ static ssize_t dlmfs_file_write(struct file *filp,
 	if (!count)
 		return 0;
 
-	if (!access_ok(buf, count))
-		return -EFAULT;
-
 	lvb_buf = kmalloc(count, GFP_NOFS);
 	if (!lvb_buf)
 		return -ENOMEM;
-- 
2.11.0

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