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Re: [Outreachy kernel] [PATCH] staging: rtlwifi: delete double assignment

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On Fri, 15 Sep 2017, Harsha Sharma wrote:

> Remove two adjacent assignments to the same location.
> In practice, many such occurences are intentional but
> this case don't seem to fall into that category.
> Done using following coccinelle semantic patch
>
> @@
> expression e1,e2,e3;
> @@
>
> (
>  (<+...e1++...+>)=e2;
> |
>  (<+...e1--...+>)=e2;
> |
>  (<+...++e1...+>)=e2;
> |
>  (<+...--e1...+>)=e2;
> |
> e1=e2;
> e1 = <+...e1...+>;
> |
> *e1=e2;
> *e1=e3;
> )
>
> Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
> ---
>  drivers/staging/rtlwifi/base.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/staging/rtlwifi/base.c b/drivers/staging/rtlwifi/base.c
> index b88b0e8..68bd124 100644
> --- a/drivers/staging/rtlwifi/base.c
> +++ b/drivers/staging/rtlwifi/base.c
> @@ -1536,7 +1536,6 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx,
>  		/* EAPOL is seen as in-4way */
>  		rtlpriv->btcoexist.btc_info.in_4way = true;
>  		rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;
> -		rtlpriv->btcoexist.btc_info.in_4way_ts = jiffies;

For something like this, it can be useful to do a git blame on the lines.
If they were both introduced at the same time, it probably doesn't tell
you anything.  But if there was one and then someone explicitly introduced
another one, then there could have been some reason for doing that.

julia

>
>  		RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
>  			 "802.1X %s EAPOL pkt!!\n", (is_tx) ? "Tx" : "Rx");
> --
> 1.9.1
>
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[PATCH] staging: rtlwifi: delete double assignment Harsha Sharma <harshasharmaiitr@gmail.com> - 2017-09-15 14:40 +0200
  Re: [Outreachy kernel] [PATCH] staging: rtlwifi: delete double  assignment Julia Lawall <julia.lawall@lip6.fr> - 2017-09-15 15:50 +0200

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