From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jack Stone <jwjstone@fastmail.fm>
Cc: Mac <kmac@poczta.fm>,
linux-kernel@vger.kernel.org, linux-ppp@vger.kernel.org,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: 'scheduling while atomic' during ppp connection on 2.6.37.1 and 2.6.38
Date: Sun, 20 Mar 2011 21:58:26 +0000 [thread overview]
Message-ID: <20110320215826.79cadfe2@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <4D864A82.4090104@fastmail.fm>
> + spin_lock_irqsave(&dc->spin_mutex, flags);
> if (port->port.count)
> room = kfifo_avail(&port->fifo_ul);
> - mutex_unlock(&port->tty_sem);
> + spin_unlock_irqrestore(&dc->spin_mutex, flags);
dc->spin_mutex does not protect port->port.count.
next prev parent reply other threads:[~2011-03-20 21:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-19 22:06 Mac
2011-03-20 18:42 ` Jack Stone
2011-03-20 21:52 ` Jiri Slaby
2011-03-20 23:09 ` Jack Stone
2011-03-20 21:58 ` Alan Cox [this message]
2011-03-20 23:05 ` Jack Stone
2011-03-21 11:27 ` Alan Cox
2011-03-21 17:40 ` Jack Stone
2011-03-21 9:15 ` Jiri Slaby
2011-03-21 11:02 ` Alan Cox
2011-03-31 20:53 ` Jiri Slaby
2011-03-31 21:39 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2011-03-19 21:56 Mac
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