[PATCH] net/stmmac: Fix typos: 'tx_undeflow_irq' -> 'tx_underflow_irq'

[Jakub Raczynski]

On Tue, Apr 21, 2026 at 02:39:15PM +0200, Andrew Lunn wrote:
> > +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
> > @@ -78,7 +78,7 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
> >  	STMMAC_STAT(rx_vlan),
> >  	STMMAC_STAT(rx_split_hdr_pkt_n),
> >  	/* Tx/Rx IRQ error info */
> > -	STMMAC_STAT(tx_undeflow_irq),
> > +	STMMAC_STAT(tx_underflow_irq),
> 
> Please take another look at this one and think about it.
> 
>     Andrew
> 
> ---
> pw-bot: cr
>

I don't see anything wrong with it?
- naming is correct, same as stmmac_extra_stats from common.h, as it
  wouldn't compile otherwise
- string length is ok, as max name length is ETH_GSTRING_LEN=32 and it is
  not close
- ethtool just polls data from driver and in my tests it is ok
- all instances of 'undeflow' are changed
- 'underflow' semantic is ok, 'undeflow' is just not correct

Please correct me if I am wrong, but imo no issues with this patch.

Regards
Jakub Raczynski