From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 23 Apr 2020 17:52:23 +0000 (-0400)
Subject: dlmfs_file_write(): get rid of pointless access_ok()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=37d59a5148a2746555c02e10b9fb70038afd3ca7;p=linux.git

dlmfs_file_write(): get rid of pointless access_ok()

address passed only to copy_from_user()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 1de77f1a600b2..a06f19b67d3bc 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;