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Subject: Re: [PATCH] staging: rtl8723au: Fixes unnecessary return warning
From: Joe Perches <joe@perches.com>
To: Bhakti Priya <bhaktipriya96@gmail.com>
Cc: Julian Calaby <julian.calaby@gmail.com>,
        Jes Sorensen <Jes.Sorensen@redhat.com>,
        Larry Finger <Larry.Finger@lwfinger.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Alexander Kuleshov <kuleshovmail@gmail.com>,
        Haneen Mohammed <hamohammed.sa@gmail.com>,
        Andreas Ruprecht <andreas.ruprecht@fau.de>,
        linux-wireless <linux-wireless@vger.kernel.org>,
        "devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date: Fri, 29 Jan 2016 23:24:53 -0800
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On Sat, 2016-01-30 at 12:23 +0530, Bhakti Priya wrote:
> I will be happy to extend checkpatch.pl. As suggested by you, I am
> trying to detect such blank lines in a line removal patch by checking
> if the line above the deleted line was a blank line and the line
> following the deleted line had a closing brace.
> Can you please guide me and let me know if I am headed in the right
> direction.

You have to track all the + and - lines that precede the
deleted line.

Good luck.