Re: [patch] spi: release lock on error path in spi_pump_messages()
From: Grant Likely
Date: Sat Mar 10 2012 - 21:43:46 EST
On Sat, 10 Mar 2012 10:38:27 +0100, walter harms <wharms@xxxxxx> 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@xxxxxxxxxx>
> >
> > 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.
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