Re: [PATCH] wifi: mac80211: clean up FILS discovery change flags handling

[Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>]

On 1/29/2024 10:57 AM, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
> 
> It doesn't make sense to return BSS change flags in an int, as
> they're a bigger type. For this particular function it still
> works OK, but clean it up to avoid future errors (or copying
> this code in a broken way.)
> 
> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>

Reviewed-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>

> ---
>  net/mac80211/cfg.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index e006d59087e7..8f647e28e354 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -952,7 +952,8 @@ ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
>  static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
>  					struct cfg80211_fils_discovery *params,
>  					struct ieee80211_link_data *link,
> -					struct ieee80211_bss_conf *link_conf)
> +					struct ieee80211_bss_conf *link_conf,
> +					u64 *changed)
>  {
>  	struct fils_discovery_data *new, *old = NULL;
>  	struct ieee80211_fils_discovery *fd;
> @@ -979,7 +980,8 @@ static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
>  		RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
>  	}
>  
> -	return BSS_CHANGED_FILS_DISCOVERY;
> +	*changed |= BSS_CHANGED_FILS_DISCOVERY;
> +	return 0;
>  }
>  
>  static int
> @@ -1441,10 +1443,9 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
>  		goto error;
>  
>  	err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
> -					   link, link_conf);
> +					   link, link_conf, &changed);
>  	if (err < 0)
>  		goto error;
> -	changed |= err;
>  
>  	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
>  						   &params->unsol_bcast_probe_resp,
> @@ -1516,10 +1517,9 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
>  		return err;
>  
>  	err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
> -					   link, link_conf);
> +					   link, link_conf, &changed);
>  	if (err < 0)
>  		return err;
> -	changed |= err;
>  
>  	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
>  						   &params->unsol_bcast_probe_resp,