Re: [patch v2] net/mlx5: missing error code in esw_create_offloads_fdb_table()

[Leon Romanovsky]

On Wed, Jul 13, 2016 at 11:54:54AM -0600, Jason Gunthorpe wrote:
> On Wed, Jul 13, 2016 at 02:48:44PM +0300, Dan Carpenter wrote:
> > We accidentally return success when we had intended to return an error
> > code.
> > 
> > Fixes: 69697b6e2086 ('net/mlx5: E-Switch, Add support for the sriov 
> > offloads mode')
> > Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
> > v2: return -ENOTSUPP instead --EINVAL
> > 
> > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c 
> > b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> > index 1842dfb..7d982cf 100644
> > +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> > @@ -183,6 +183,7 @@ static int esw_create_offloads_fdb_table(struct 
> > mlx5_eswitch *esw, int nvports)
> >  
> >     root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
> >     if (!root_ns) {
> > +           err = -ENOTSUPP;
> 
> Did you mean ENOTSUP?
> 
> I thought ENOTSUPP was not to be used outside NFS, and isn't properly
> exported to userspace..
> 
> $ find /usr/include -name "*errno*" | xargs grep 524

I asked similar question [1] with different return value in reply
to this patch.

[1] http://marc.info/?l=linux-netdev&m=146843171508230&w=2

> 
> Jason
> --
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