linux-kernel - Re: [PATCH 5.10 167/167] xhci: add xhci_get_virt

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Message-ID: <YQEvUay+1Rzp04SO@kroah.com>
Date:   Wed, 28 Jul 2021 12:20:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@...x.de>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Carsten Schmid <carsten_schmid@...tor.com>
Subject: Re: [PATCH 5.10 167/167] xhci: add xhci_get_virt_ep() helper

On Wed, Jul 28, 2021 at 12:10:40PM +0200, Pavel Machek wrote:
> Hi!
> 
> > From: Mathias Nyman <mathias.nyman@...ux.intel.com>
> > 
> > [commit b1adc42d440df3233255e313a45ab7e9b2b74096 upstream]
> 
> This is yet another variation in upstream commit making. So far I was
> using these:
> 
>                 ma = re.match(".*Upstream commit ([0-9a-f]*) .*", l)
>                 if ma:
>                     m.upstream = ma.group(1)
>                 ma = re.match("[Cc]ommit ([0-9a-f]*) upstream[.]*", l)
> 		if ma:
>                     m.upstream = ma.group(1)
>                 ma = re.match("[Cc]ommit: ([0-9a-f]*)", l)
>                 if ma:
>                     m.upstream = ma.group(1)
> 
> I guess I could update second regexp to search anywhere in the
> line.... but at that point it will also match stuff like "commit 1234
> upstream is broken".
> 
> Do you have suggestion how to extract upstream sha1 automatically?

I use:
	grep -E -o '[0-9a-f]{40}'