linux-kernel - Re: [PATCH] staging: rtl8192u: fix line over 80 characters

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Date:   Sat, 16 Jun 2018 15:22:07 -0400
From:   valdis.kletnieks@...edu
To:     Hyunil Kim <thtlwlsmsgkfla@...il.com>
Cc:     gregkh@...uxfoundation.org, davem@...emloft.net,
        colin.king@...onical.com, johannes.berg@...el.com,
        Linyu.Yuan@...atel-sbell.com.cn, keescook@...omium.org,
        tvboxspy@...il.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192u: fix line over 80 characters

On Sat, 16 Jun 2018 15:00:31 +0900, Hyunil Kim said:
> *fix checkpatch.pl warnings:
>  WARNING: line over 80 characters

> +		if (((ieee->wpa_ie[0] == 0xdd) &&
> +		    (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) ||
> +		    ((ieee->wpa_ie[0] == 0x30) &&
> +		    (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))

Ouch. The && and || at ends of line mean a lot of parenthesis counting to
figure out which goes with which.  Use additional indentation to help
understanding.

+		if (((ieee->wpa_ie[0] == 0xdd) &&
+			(!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) ||
+		    ((ieee->wpa_ie[0] == 0x30) &&
+			(!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))

Or perhaps

+		if (((ieee->wpa_ie[0] == 0xdd) &&
+			(!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4)))
+		     || ((ieee->wpa_ie[0] == 0x30) &&
+			(!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))




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