Re: [PATCH 20/24] staging: wilc1000: avoid line over 80 chars in tcp_process()

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On Mon, Aug 27, 2018 at 10:54:38AM +0530, Ajay Singh wrote:
> Hi Claudiu,
> 
> On Fri, 24 Aug 2018 12:31:28 +0300
> Claudiu Beznea <Claudiu.Beznea@xxxxxxxxxxxxx> wrote:
> 
> > On 23.08.2018 13:33, Ajay Singh wrote:
> > > On Thu, 23 Aug 2018 11:12:08 +0300
> > > Claudiu Beznea <Claudiu.Beznea@xxxxxxxxxxxxx> wrote:
> > >   
> > >> On 14.08.2018 09:50, Ajay Singh wrote:  
> > >>> Cleanup patch to avoid line over 80 chars issue reported by
> > >>> checkpatch.pl script.
> > >>>
> > >>> Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
> > >>> ---
> > >>>  drivers/staging/wilc1000/wilc_wlan.c | 7 ++++++-
> > >>>  1 file changed, 6 insertions(+), 1 deletion(-)
> > >>>
> > >>> diff --git a/drivers/staging/wilc1000/wilc_wlan.c
> > >>> b/drivers/staging/wilc1000/wilc_wlan.c index 041c9dd..f0743d9
> > >>> 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c
> > >>> +++ b/drivers/staging/wilc1000/wilc_wlan.c
> > >>> @@ -137,6 +137,11 @@ static inline int add_tcp_pending_ack(struct
> > >>> wilc_vif *vif, u32 ack, return 0;
> > >>>  }
> > >>>  
> > >>> +static inline void clear_tcp_session_txq(struct wilc_vif *vif,
> > >>> int index) +{
> > >>> +	vif->ack_filter.pending_acks_info[index].txqe = NULL;
> > >>> +}
> > >>> +    
> > >>
> > >> This seems useless to me...  
> > > 
> > > Sorry, this point is not fully clear to me.
> > > 
> > > Did you mean setting of 'NULL' to 'pending_acks_info[index].txqe' is
> > > not required?
> > >   
> > 
> > No, having a new function that sets a variable just to avoid line
> > over 80 warning.
> 
> Okay got it.
> How about using a temp variable to hold the value of
> 'tqe->tcp_pending_ack_idx'. It can also help to overcome the
> checkpatch warning.

Just ignore the checkpatch warning...  Don't add a temporary variable
just to please checkpatch...  It's good to fix checkpatch warnings if
it makes the code cleaner, but I hate when people do:

	tmp = some_long_variable_name;
	some_other_long_variable = tmp;

The tmp variable is only used one time and a simple statement becomes
two statements and it breaks grep.

You could consider renaming some of the variables.  I think the "_info"
doesn't add anything, because obviously it's information.  Maybe
"tcp_pending_ack_index" could just become "->ack_idx".

			vif->ack_filter.pending_ack[tqe->ack_idx].txqe = NULL;

It's still very searchable.  If you grep for "ack_idx" then the pending
and TCP are right there so no information is lost.

regards,
dan carpenter
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