From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 05/63] ide-cd: add missing 'ireason' masking to cdrom_write_intr() Date: Thu, 20 Dec 2007 01:55:17 +0100 Message-ID: <200712200155.17499.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.173]:11752 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754777AbXLTBeG (ORCPT ); Wed, 19 Dec 2007 20:34:06 -0500 Received: by ug-out-1314.google.com with SMTP id z38so389251ugc.16 for ; Wed, 19 Dec 2007 17:34:05 -0800 (PST) Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: linux-kernel@vger.kernel.org Mask 'ireason' variable with 0x3 so the valid interrupt reason value is passed to cdrom_write_check_ireason() for checking. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/drivers/ide/ide-cd.c =================================================================== --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1820,7 +1820,7 @@ static ide_startstop_t cdrom_write_intr( } /* Read the interrupt reason and the transfer length. */ - ireason = HWIF(drive)->INB(IDE_IREASON_REG); + ireason = HWIF(drive)->INB(IDE_IREASON_REG) & 0x3; lowcyl = HWIF(drive)->INB(IDE_BCOUNTL_REG); highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG);