From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH] amba-pl011: fix panic introduced by "clear pending interrupts" Date: Tue, 27 Mar 2012 16:12:05 +0400 Message-ID: <4F71AE95.9080600@mvista.com> References: <20120326203209.GA8182@mail.gnudd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:62042 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751126Ab2C0MNe (ORCPT ); Tue, 27 Mar 2012 08:13:34 -0400 Received: by bkcik5 with SMTP id ik5so4814520bkc.19 for ; Tue, 27 Mar 2012 05:13:33 -0700 (PDT) In-Reply-To: <20120326203209.GA8182@mail.gnudd.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Alessandro Rubini Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Giancarlo Asnaghi , gregkh@linuxfoundation.org, linux-serial@vger.kernel.org, Alan Cox Hello. On 27-03-2012 0:32, Alessandro Rubini wrote: > patch 9b96fba, currently in linux-next, clears interrupts using Please also specify the summary of this commit in parens. > uap->port.membase that has not been assigned. My x86 system, > that uses a pci-to-amba bridge, panics with a message like: > BUG: unable to handle kernel NULL pointer dereference at 00000038 > IP: [] pl011_probe+0x119/0x303 > Signed-off-by: Alessandro Rubini > Acked-by: Giancarlo Asnaghi WBR, Sergei