From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 16 Feb 2011 06:06:34 +0000 (+0000)
Subject: Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctl
X-Git-Tag: v2.6.38-rc7~30^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4dc2b8c694ead005b828f5fb7fa1134db5b6275;p=pandora-kernel.git

Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctl

- Check user-specified flags correctly
- Check the inode owership
- Search root item in root tree but not fs tree

Reported-by: Dan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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