merged into cifs-2.6.git for-next
On Sat, Mar 14, 2020 at 8:30 PM Pavel Shilovsky <piastryyy@xxxxxxxxx> wrote:
>
> Reviewed-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx>
>
> --
> Best regards,
> Pavel Shilovsky
>
> пт, 13 мар. 2020 г. в 20:40, Murphy Zhou <jencce.kernel@xxxxxxxxx>:
> >
> > If we call fiemap on a truncated file with none blocks allocated,
> > it makes sense we get nothing from this call. No output means
> > no blocks have been counted, but the call succeeded. It's a valid
> > response.
> >
> > Signed-off-by: Murphy Zhou <jencce.kernel@xxxxxxxxx>
> > ---
> > fs/cifs/smb2ops.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
> > index c31e84ee3c39..32b7f9795d4a 100644
> > --- a/fs/cifs/smb2ops.c
> > +++ b/fs/cifs/smb2ops.c
> > @@ -3417,7 +3417,7 @@ static int smb3_fiemap(struct cifs_tcon *tcon,
> > if (rc)
> > goto out;
> >
> > - if (out_data_len < sizeof(struct file_allocated_range_buffer)) {
> > + if (out_data_len && out_data_len < sizeof(struct file_allocated_range_buffer)) {
> > rc = -EINVAL;
> > goto out;
> > }
> > --
> > 2.20.1
--
Thanks,
Steve
