[PATCH net] net: dsa: mt7530: correct ds->num_ports

[Greg KH]

On Mon, Oct 18, 2021 at 09:22:49AM -0700, Florian Fainelli wrote:
> On 10/18/21 1:42 AM, DENG Qingfang wrote:
> > On Sat, Oct 16, 2021 at 07:36:14PM -0700, Florian Fainelli wrote:
> >> On 10/15/2021 11:24 PM, DENG Qingfang wrote:
> >>> Setting ds->num_ports to DSA_MAX_PORTS made DSA core allocate unnecessary
> >>> dsa_port's and call mt7530_port_disable for non-existent ports.
> >>>
> >>> Set it to MT7530_NUM_PORTS to fix that, and dsa_is_user_port check in
> >>> port_enable/disable is no longer required.
> >>>
> >>> Cc: stable at vger.kernel.org
> >>> Signed-off-by: DENG Qingfang <dqfext at gmail.com>
> >>
> >> Do you really want to target the net tree for this change?
> > 
> > Yes because I consider this a bug fix.
> 
> 
> OK, why not provide a Fixes tag to help with targeting the back port
> then? This has been applied anyway, so hopefully the auto selection will
> do its job and tell you where it stops applying cleanly.

Without a "Fixes:" tag, I just backport things as far are they are easy
to go and then stop without an email saying anything fails on older
kernels.

thanks,

greg k-h