linux-kernel - Re: [PATCH] wifi: mac80211: Remove unused wdev_to_ieee80211

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Message-ID: <aOvZ8FHp7-tliei2@gallifrey>
Date: Sun, 12 Oct 2025 16:40:16 +0000
From: "Dr. David Alan Gilbert" <linux@...blig.org>
To: johannes@...solutions.net, linux-wireless@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wifi: mac80211: Remove unused wdev_to_ieee80211_vif

* linux@...blig.org (linux@...blig.org) wrote:
> From: "Dr. David Alan Gilbert" <linux@...blig.org>
> 
> wdev_to_ieee80211_vif() was added in 2013 by
> commit ad7e718c9b4f ("nl80211: vendor command support")
> but has remained unused.
> 
> Remove it.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>

Hi,
  Gentle ping on this one please.

Dave

> ---
>  include/net/mac80211.h | 13 -------------
>  net/mac80211/util.c    | 11 -----------
>  2 files changed, 24 deletions(-)
> 
> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
> index 286c944d90ad..544a28336b93 100644
> --- a/include/net/mac80211.h
> +++ b/include/net/mac80211.h
> @@ -2112,19 +2112,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
>  	return false;
>  }
>  
> -/**
> - * wdev_to_ieee80211_vif - return a vif struct from a wdev
> - * @wdev: the wdev to get the vif for
> - *
> - * This can be used by mac80211 drivers with direct cfg80211 APIs
> - * (like the vendor commands) that get a wdev.
> - *
> - * Return: pointer to the wdev, or %NULL if the given wdev isn't
> - * associated with a vif that the driver knows about (e.g. monitor
> - * or AP_VLAN interfaces.)
> - */
> -struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
> -
>  /**
>   * ieee80211_vif_to_wdev - return a wdev struct from a vif
>   * @vif: the vif to get the wdev for
> diff --git a/net/mac80211/util.c b/net/mac80211/util.c
> index 27d414efa3fd..39a25fe20959 100644
> --- a/net/mac80211/util.c
> +++ b/net/mac80211/util.c
> @@ -857,17 +857,6 @@ void ieee80211_iterate_stations_mtx(struct ieee80211_hw *hw,
>  }
>  EXPORT_SYMBOL_GPL(ieee80211_iterate_stations_mtx);
>  
> -struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev)
> -{
> -	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
> -
> -	if (!ieee80211_sdata_running(sdata) ||
> -	    !(sdata->flags & IEEE80211_SDATA_IN_DRIVER))
> -		return NULL;
> -	return &sdata->vif;
> -}
> -EXPORT_SYMBOL_GPL(wdev_to_ieee80211_vif);
> -
>  struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif)
>  {
>  	if (!vif)
> -- 
> 2.49.0
> 
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/