On 12/09/2013 04:03 AM, Jeff Layton wrote:
> On Sun, 8 Dec 2013 14:08:43 -0700
> Tim Gardner <timg@xxxxxxx> wrote:
>
>> The reference count on tlink can only be decremented if
>> cifs_sb_tlink(cifs_sb) was used to acquire it. That only
>> happens if open_file==NULL.
>>
>> Cc: Steve French <sfrench@xxxxxxxxx>
>> Cc: Jeff Layton <jlayton@xxxxxxxxxx>
>> Cc: Dean Gehnert <deang@xxxxxxx>
>> Signed-off-by: Tim Gardner <timg@xxxxxxx>
>> ---
>>
>> V2 - this is a new patch in the V2 series.
>>
>> fs/cifs/inode.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
>> index 3f710c6..e332038 100644
>> --- a/fs/cifs/inode.c
>> +++ b/fs/cifs/inode.c
>> @@ -2007,7 +2007,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
>> CIFSSMBClose(xid, tcon, netfid);
>> }
>> }
>> - if (tlink)
>> + if (!open_file)
>> cifs_put_tlink(tlink);
>>
>> set_size_out:
>
>
> I don't see the bug here...
>
> The only place tlink gets set to a non-NULL value is where
> cifs_sb_tlink gets called. Am I missing something?
>
Nope - I think you're correct. For some reason I thought tlink was set
inside the 'if (openfile) {...}' clause. I'll drop this patch from the
V3 series.
rtg
--
Tim Gardner timg@xxxxxxx www.tpi.com
OR 503-601-0234 x102 MT 406-443-5357
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