netdev - RE: [PATCH] wifi：mac80211: Replace the ternary conditional operator with max()

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Message-ID: <9e4e3bf85ed945e7b0c8d5d389065670@realtek.com>
Date: Wed, 28 Jun 2023 01:48:31 +0000
From: Ping-Ke Shih <pkshih@...ltek.com>
To: You Kangren <youkangren@...o.com>,
        Johannes Berg
	<johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        "Eric
 Dumazet" <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>,
        "open list:MAC80211" <linux-wireless@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        open list
	<linux-kernel@...r.kernel.org>
CC: "opensource.kernel@...o.com" <opensource.kernel@...o.com>
Subject: RE: [PATCH] wifi：mac80211: Replace the ternary conditional operator with max()



> -----Original Message-----
> From: You Kangren <youkangren@...o.com>
> Sent: Monday, June 26, 2023 6:48 PM
> To: Johannes Berg <johannes@...solutions.net>; David S. Miller <davem@...emloft.net>; Eric Dumazet
> <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; open
> list:MAC80211 <linux-wireless@...r.kernel.org>; open list:NETWORKING [GENERAL] <netdev@...r.kernel.org>;
> open list <linux-kernel@...r.kernel.org>
> Cc: opensource.kernel@...o.com; youkangren@...o.com
> Subject: [PATCH] wifi：mac80211: Replace the ternary conditional operator with max()

The semicolon of "wifi：" is different from others.

> 
> Replace the ternary conditional operator with max() to make the code clean
> 
> Signed-off-by: You Kangren <youkangren@...o.com>
> ---
>  net/mac80211/tdls.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
> index a4af3b7675ef..9f8b0842a616 100644
> --- a/net/mac80211/tdls.c
> +++ b/net/mac80211/tdls.c
> @@ -946,7 +946,7 @@ ieee80211_tdls_build_mgmt_packet_data(struct ieee80211_sub_if_data *sdata,
>         int ret;
>         struct ieee80211_link_data *link;
> 
> -       link_id = link_id >= 0 ? link_id : 0;
> +       link_id = max(link_id, 0);

Original logic means "if link_id < 0, then use default link (0)" instead of
"always use link_id larger than or equal to 0". So, I think max(link_id, 0) could
cause misunderstanding. 

>         rcu_read_lock();
>         link = rcu_dereference(sdata->link[link_id]);
>         if (WARN_ON(!link))
> --
> 2.39.0
> 
> 
> ------Please consider the environment before printing this e-mail.