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Message-Id: <1251510820-20528-1-git-send-email-tytso@mit.edu>
Date:	Fri, 28 Aug 2009 21:53:40 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc:	Theodore Ts'o <tytso@....edu>
Subject: [PATCH] ext4: Limit number of links that can be created by ext4_link()

In ext4_link we need to check using EXT4_LINK_MAX, and not
EXT4_DIR_LINK_MAX(), since ext4_link() is creating hard links of
regular files, and not directories.

Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
 fs/ext4/namei.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 3692ba6..f92cc06 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2318,7 +2318,7 @@ static int ext4_link(struct dentry *old_dentry,
 	struct inode *inode = old_dentry->d_inode;
 	int err, retries = 0;
 
-	if (EXT4_DIR_LINK_MAX(inode))
+	if (inode->i_nlink >= EXT4_LINK_MAX)
 		return -EMLINK;
 
 	/*
-- 
1.6.3.2.1.gb9f7d.dirty

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