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Re: [PATCH v5] wfx: use container_of() to get vif

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On Wed, May 04, 2022 at 09:21:21AM +0200, Jérôme Pouiller wrote:
> On Tuesday 3 May 2022 20:21:46 CEST Jaehee Park wrote:
> > Currently, upon virtual interface creation, wfx_add_interface() stores
> > a reference to the corresponding struct ieee80211_vif in private data,
> > for later usage. This is not needed when using the container_of
> > construct. This construct already has all the info it needs to retrieve
> > the reference to the corresponding struct from the offset that is
> > already available, inherent in container_of(), between its type and
> > member inputs (struct ieee80211_vif and drv_priv, respectively).
> > Remove vif (which was previously storing the reference to the struct
> > ieee80211_vif) from the struct wfx_vif, define a function
> > wvif_to_vif(wvif) for container_of(), and replace all wvif->vif with
> > the newly defined container_of construct.
> > 
> > Signed-off-by: Jaehee Park <jhpark1013@xxxxxxxxx>
> > ---
> > v2
> > - Sequenced the wfx.h file (with the new defines) to show up first on
> > the diff, which makes the ordering of the diff more logical.
> > 
> > v3
> > - Made edits to the commit message.
> > - Shortened the macro name from wvif_to_vif to to_vif.
> > - For functions that had more than one instance of vif, defined one
> > reference vif at the beginning of the function and used that instead.
> > - Broke the if-statements that ran long into two lines.
> > 
> > v4
> > - Changed macro into function and named it back to wvif_to_vif
> > - Fit all lines in patch to 80 columns
> > - Decared a reference to vif at the beginning of all the functions
> > where it's being used
> > 
> > v5
> > - Placed longest declarations first
> > 
> > 
> >  drivers/net/wireless/silabs/wfx/wfx.h     |  6 +-
> >  drivers/net/wireless/silabs/wfx/data_rx.c |  5 +-
> >  drivers/net/wireless/silabs/wfx/data_tx.c |  3 +-
> >  drivers/net/wireless/silabs/wfx/key.c     |  4 +-
> >  drivers/net/wireless/silabs/wfx/queue.c   |  3 +-
> >  drivers/net/wireless/silabs/wfx/scan.c    | 11 ++--
> >  drivers/net/wireless/silabs/wfx/sta.c     | 71 ++++++++++++++---------
> >  7 files changed, 65 insertions(+), 38 deletions(-)
> > 
> [...]
> > diff --git a/drivers/net/wireless/silabs/wfx/sta.c b/drivers/net/wireless/silabs/wfx/sta.c
> > index 3297d73c327a..040d1f9fb03a 100644
> > --- a/drivers/net/wireless/silabs/wfx/sta.c
> > +++ b/drivers/net/wireless/silabs/wfx/sta.c
> > @@ -101,6 +101,7 @@ void wfx_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
> >         struct wfx_vif *wvif = NULL;
> >         struct wfx_dev *wdev = hw->priv;
> >         bool filter_bssid, filter_prbreq, filter_beacon;
> > +       struct ieee80211_vif *vif = wvif_to_vif(wvif);
> 
> wvif is modified later in the function, so this one is not correct.
> 

Hi Jerome, I'm so sorry about this. I'll check more carefully and
correct for any other occurrences. 

> 
> -- 
> Jérôme Pouiller
> 
> 



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