2008-07-24 01:40:23

by Steve French

[permalink] [raw]
Subject: Re: cifs: suggestions for a few more sparse warnings

On Wed, Jul 23, 2008 at 7:55 PM, Harvey Harrison
<[email protected]> wrote:
> Here's a patch for some of the other warnings, but the cifsacl.c bit
> needs a comment I think.
>
> Harvey
>
> diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
> index 34902cf..70f0ef5 100644
> --- a/fs/cifs/cifsacl.c
> +++ b/fs/cifs/cifsacl.c
> @@ -169,8 +169,7 @@ static void copy_sec_desc(const struct cifs_ntsd *pntsd,
> for (i = 0; i < 6; i++)
> ngroup_sid_ptr->authority[i] = group_sid_ptr->authority[i];
> for (i = 0; i < 5; i++)
> - ngroup_sid_ptr->sub_auth[i] =
> - cpu_to_le32(group_sid_ptr->sub_auth[i]);
> + cpu_to_le32s(&group_sid_ptr->sub_auth[i]);
>
> return;
> }

No - the cifsacl one looks like just a bug - there should not be an
endian conversion here.

Shirish,
Would you verify?

--
Thanks,

Steve


2008-07-24 13:43:20

by Shirish Pargaonkar

[permalink] [raw]
Subject: Re: cifs: suggestions for a few more sparse warnings

Steve,

On Wed, Jul 23, 2008 at 8:39 PM, Steve French <[email protected]> wrote:
> On Wed, Jul 23, 2008 at 7:55 PM, Harvey Harrison
> <[email protected]> wrote:
>> Here's a patch for some of the other warnings, but the cifsacl.c bit
>> needs a comment I think.
>>
>> Harvey
>>
>> diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
>> index 34902cf..70f0ef5 100644
>> --- a/fs/cifs/cifsacl.c
>> +++ b/fs/cifs/cifsacl.c
>> @@ -169,8 +169,7 @@ static void copy_sec_desc(const struct cifs_ntsd *pntsd,
>> for (i = 0; i < 6; i++)
>> ngroup_sid_ptr->authority[i] = group_sid_ptr->authority[i];
>> for (i = 0; i < 5; i++)
>> - ngroup_sid_ptr->sub_auth[i] =
>> - cpu_to_le32(group_sid_ptr->sub_auth[i]);
>> + cpu_to_le32s(&group_sid_ptr->sub_auth[i]);
>>
>> return;
>> }
>
> No - the cifsacl one looks like just a bug - there should not be an
> endian conversion here.
>

I think you are right, there should not be any conversion since the
sub authorities would be in little endin format when we did get_cifs_acl
prior to this copy.


> Shirish,
> Would you verify?
>
> --
> Thanks,
>
> Steve
>