Re: [patch net v3] net: dsa: microchip: ksz9477: fix fdb_dump last invalid entry

[Vladimir Oltean]

On Tue, Aug 16, 2022 at 04:25:16PM +0530, Arun Ramadoss wrote:
> In the ksz9477_fdb_dump function it reads the ALU control register and
> exit from the timeout loop if there is valid entry or search is
> complete. After exiting the loop, it reads the alu entry and report to
> the user space irrespective of entry is valid. It works till the valid
> entry. If the loop exited when search is complete, it reads the alu
> table. The table returns all ones and it is reported to user space. So
> bridge fdb show gives ff:ff:ff:ff:ff:ff as last entry for every port.
> To fix it, after exiting the loop the entry is reported only if it is
> valid one.
> 
> Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477")
> Signed-off-by: Arun Ramadoss <arun.ramadoss@xxxxxxxxxxxxx>
> ---

Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>