linux-kernel - Re: [BUG] checkpatch: unescaped left brace in regex is deprecated

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Date:	Mon, 07 Dec 2015 15:06:26 -0800
From:	Joe Perches <joe@...ches.com>
To:	"Geyslan G. Bem" <geyslan@...il.com>, Robo Bot <apw@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Peter Senna Tschudin <peter.senna@...il.com>
Subject: Re: [BUG] checkpatch: unescaped left brace in regex is deprecated

On Mon, 2015-12-07 at 19:53 -0300, Geyslan G. Bem wrote:
> Hello,

hello.

> Follow checkpatch output using perl 5.22.0.
> 
> geyslan@hb ~/Projects/linux $ scripts/checkpatch.pl -f
> drivers/usb/host/ehci-hub.c
> Unescaped left brace in regex is deprecated, passed through in regex;
> marked by <-- HERE in m/\((?^x:
> 

No HERE here.  Are you using linux-next?

There have been patches applied for this warning already.

see:

commit 4e5d56bdf892e18832a6540b63ebf709966bce2a
Author: Eddie Kovsky <ewk@...ovsky.org>
Date:   Wed Sep 9 15:37:52 2015 -0700

    checkpatch: fix left brace warning
    
    Using checkpatch.pl with Perl 5.22.0 generates the following warning:
    
        Unescaped left brace in regex is deprecated, passed through in regex;
 5.
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