linux-kernel - Re: [PATCH v3] staging: pi433: add debugfs interface

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Date:   Tue, 1 Feb 2022 08:37:57 +1300
From:   Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     gregkh@...uxfoundation.org, realwakka@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] staging: pi433: add debugfs interface

On Mon, Jan 31, 2022 at 04:45:58PM +0300, Dan Carpenter wrote:
> On Sun, Jan 30, 2022 at 03:57:26PM +1300, Paulo Miguel Almeida wrote:
> > +	dev = m->private;
> > +
> > +	mutex_lock(&dev->tx_fifo_lock);
> > +	mutex_lock(&dev->rx_lock);
> > +
> > +	// wait for on-going operations to finish
> > +	ret = wait_event_interruptible(dev->rx_wait_queue, !dev->tx_active);
> > +	if (ret)
> > +		return ret;
> 
> Drop the two mutexes before returning.
> 


thanks for taking the time for reviewing this patch.

good catch, I completely missed it. Thanks a lot!

thanks,

Paulo Almeida