linux-kernel - [patch] hfs: fix hfs

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Message-ID: <20160126092611.GD15717@mwanda>
Date:	Tue, 26 Jan 2016 12:26:11 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Chengyu Song <csong84@...ech.edu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] hfs: fix hfs_readdir()

I was looking through static analysis warnings and we seem to be copying
garbage into &rd->key.  This goes back to before the start of git...

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
Not tested.  Please review carefully.

diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 70788e0..66485d7 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -163,7 +163,7 @@ static int hfs_readdir(struct file *file, struct dir_context *ctx)
 		rd->file = file;
 		list_add(&rd->list, &HFS_I(inode)->open_dir_list);
 	}
-	memcpy(&rd->key, &fd.key, sizeof(struct hfs_cat_key));
+	memcpy(&rd->key, &fd.key->cat, sizeof(struct hfs_cat_key));
 out:
 	hfs_find_exit(&fd);
 	return err;