linux-spi.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: wharms-fPG8STNUNVg@public.gmane.org,
	Dan Carpenter
	<dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [patch] spi: release lock on error path in spi_pump_messages()
Date: Sat, 10 Mar 2012 19:43:07 -0700	[thread overview]
Message-ID: <20120311024307.AA5E33E0950@localhost> (raw)
In-Reply-To: <4F5B2113.3060103-fPG8STNUNVg@public.gmane.org>

On Sat, 10 Mar 2012 10:38:27 +0100, walter harms <wharms-fPG8STNUNVg@public.gmane.org> wrote:
> 
> 
> Am 10.03.2012 09:57, schrieb Dan Carpenter:
> > We should release the lock here and enable IRQs before returning.
> > 
> > Signed-off-by: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> > 
> > diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
> > index 5ae1e84..ab1bdce 100644
> > --- a/drivers/spi/spi.c
> > +++ b/drivers/spi/spi.c
> > @@ -535,6 +535,7 @@ static void spi_pump_messages(struct kthread_work *work)
> >  			if (ret) {
> >  				dev_err(&master->dev,
> >  					"failed to unprepare transfer hardware\n");
> > +				spin_unlock_irqrestore(&master->queue_lock, flags);
> >  				return;
> >  			}
> >  		}
> 
> 
> hi Dan,
> do you want to protect dev_err() by a spn_lock ?

Applied, after moving unlock above the dev_err.

g.


------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/

  parent reply	other threads:[~2012-03-11  2:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-10  8:57 [patch] spi: release lock on error path in spi_pump_messages() Dan Carpenter
     [not found] ` <20120310085729.GB4647-mgFCXtclrQlZLf2FXnZxJA@public.gmane.org>
2012-03-10  9:38   ` walter harms
     [not found]     ` <4F5B2113.3060103-fPG8STNUNVg@public.gmane.org>
2012-03-11  2:43       ` Grant Likely [this message]
2012-03-11  6:20         ` Dan Carpenter
2012-03-11 13:02           ` Grant Likely

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120311024307.AA5E33E0950@localhost \
    --to=grant.likely-s3s/wqlpoipyb63q8fvjnq@public.gmane.org \
    --cc=dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
    --cc=kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=wharms-fPG8STNUNVg@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).