From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fengguang Wu Subject: [PATCH] serial: ifx6x60: fix paging fault on spi_register_driver Date: Tue, 7 Aug 2012 13:12:47 +0800 Message-ID: <20120807051247.GA24140@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mga11.intel.com ([192.55.52.93]:14639 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751659Ab2HGFM5 (ORCPT ); Tue, 7 Aug 2012 01:12:57 -0400 Content-Disposition: inline Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Greg Kroah-Hartman Cc: Alan Cox , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Russ Gorby [ 117.240866] BUG: unable to handle kernel paging request at 815b627c [ 117.240866] IP: [<813fe94b>] spi_register_driver+0xb/0x50 ... [ 117.240866] Call Trace: [ 117.240866] [<817de977>] ifx_spi_init+0xbe/0xf0 The root cause is, spi_register_driver() is trying to write into the passed *const* struct spi_driver. Signed-off-by: Fengguang Wu --- drivers/tty/serial/ifx6x60.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux.orig/drivers/tty/serial/ifx6x60.c 2012-05-24 19:03:07.408430953 +0800 +++ linux/drivers/tty/serial/ifx6x60.c 2012-08-07 12:57:05.499312357 +0800 @@ -1331,7 +1331,7 @@ static const struct spi_device_id ifx_id MODULE_DEVICE_TABLE(spi, ifx_id_table); /* spi operations */ -static const struct spi_driver ifx_spi_driver = { +static struct spi_driver ifx_spi_driver = { .driver = { .name = DRVNAME, .pm = &ifx_spi_pm,