[Ocfs2-devel] [PATCH] ocfs2/security: Check xattr support in security_init.
Tao Ma
tao.ma at oracle.com
Mon Feb 9 19:11:57 PST 2009
Tiger Yang wrote:
> Hi, Tao
>
> I already fixed this issue :)
> http://oss.oracle.com/pipermail/ocfs2-devel/2008-December/003559.html
aha, yes, It looks that my repository is a little older. Let me rebase it.
Sorry for the noise.
Regards,
Tao
>
> Thanks,
> tiger
>
> Tao Ma wrote:
>> If the system supports selinux, we will return sucessfully from
>> ocfs2_init_security_get if it is called for the mount point.
>> And in that case if the volume doesn't have xattr support, we
>> will not be able to create a new inode in the mount dir because
>> ocfs2_mknod will try to set security attributes for a new created
>> inode. This patch check xattr support in ocfs2_init_security_get,
>> so it will let ocfs2_mknod knows that we don't support xattr and
>> it don't need to init security for the new inode in that case.
>>
>> Signed-off-by: Tao Ma <tao.ma at oracle.com>
>> ---
>> fs/ocfs2/xattr.c | 3 +++
>> 1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
>> index 5aec833..8a7db21 100644
>> --- a/fs/ocfs2/xattr.c
>> +++ b/fs/ocfs2/xattr.c
>> @@ -5289,6 +5289,9 @@ int ocfs2_init_security_get(struct inode *inode,
>> struct inode *dir,
>> struct ocfs2_security_xattr_info *si)
>> {
>> + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
>> + return -EOPNOTSUPP;
>> +
>> return security_inode_init_security(inode, dir, &si->name,
>> &si->value,
>> &si->value_len);
>> }
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