[ath9k-devel] [PATCH v2 2/4] ath9k_hw: distinguish single-chip solutions on initial probe print

[Kalle Valo <kalle.valo@iki.fi>]

"Luis R. Rodriguez" <lrodriguez@atheros.com> writes:

> Devices with external radios have revisions which we can count on.
> On single chip solutions these EEPROM values for these radio revision
> also exist but are not meaningful as the radios are embedded onto the
> same chip. Each single-chip device evolves together as one device.
>
> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
> ---
>
> Changes hw_name to 60 bytes.

Thanks, much better now.

Another minor comment, sorry that I didn't notice it earlier:

> +void ath9k_hw_name(struct ath_hw *ah, char *hw_name)
> +{
> +	/* chipsets >= AR9280 are single-chip */
> +	if (AR_SREV_9280_10_OR_LATER(ah)) {
> +		sprintf(hw_name,
> +			"Atheros single-chip AR%s Rev:%x",
> +			ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
> +			ah->hw_version.macRev);
> +	}
> +	else {
> +		sprintf(hw_name,
> +			"Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x: ",
> +			ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
> +			ah->hw_version.macRev,
> +			ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
> +					 AR_RADIO_SREV_MAJOR)),
> +			ah->hw_version.phyRev);
> +	}
> +}

I think you should provide the size of hw_name to this function and
use snprintf() to avoid writing out of bounds.

-- 
Kalle Valo