lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <20081023182839.GA25764@lst.de>
Date:	Thu, 23 Oct 2008 20:28:39 +0200
From:	Christoph Hellwig <hch@....de>
To:	torvalds@...l.org
Cc:	linux-ext4@...r.kernel.org
Subject: [PATCH] ext3: fix compilation with quotas enabled

An error path ext3_quota_on reference the nd variable that is gone now.
Instead of fixing this in place change the code slightly so that we use
one single callsite for path_put instead of three.


Signed-off-by: Christoph Hellwig <hch@....de>

Index: linux-2.6/fs/ext3/super.c
===================================================================
--- linux-2.6.orig/fs/ext3/super.c	2008-10-23 20:23:04.000000000 +0200
+++ linux-2.6/fs/ext3/super.c	2008-10-23 20:28:20.000000000 +0200
@@ -2811,9 +2811,10 @@ static int ext3_quota_on(struct super_bl
 
 	/* Quotafile not on the same filesystem? */
 	if (path.mnt->mnt_sb != sb) {
-		path_put(&path);
-		return -EXDEV;
+		err = -EXDEV;
+		goto out_path_put;
 	}
+
 	/* Journaling quota? */
 	if (EXT3_SB(sb)->s_qf_names[type]) {
 		/* Quotafile not of fs root? */
@@ -2835,13 +2836,12 @@ static int ext3_quota_on(struct super_bl
 		journal_lock_updates(EXT3_SB(sb)->s_journal);
 		err = journal_flush(EXT3_SB(sb)->s_journal);
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
-		if (err) {
-			path_put(&nd.path);
-			return err;
-		}
+		if (err)
+			goto out_path_put;
 	}
 
 	err = vfs_quota_on_path(sb, type, format_id, &path);
+ out_path_put:
 	path_put(&path);
 	return err;
 }
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ