From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roel Kluin <12o3l@tiscali.nl> Subject: Re: [PATCH 3/6] IDE: ide-cd: fix test unsigned var < 0 Date: Thu, 17 Apr 2008 05:51:46 +0200 Message-ID: <4806C952.6030102@tiscali.nl> References: <48055F1A.9020706@tiscali.nl> <200804170040.07397.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from smtp-out2.tiscali.nl ([195.241.79.177]:54078 "EHLO smtp-out2.tiscali.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751849AbYDQDvs (ORCPT ); Wed, 16 Apr 2008 23:51:48 -0400 In-Reply-To: <200804170040.07397.bzolnier@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org, lkml , Borislav Petkov Bartlomiej Zolnierkiewicz wrote: > Hi, > > On Wednesday 16 April 2008, Roel Kluin wrote: >> Is this the right fix in this case? > > Yes, but it seems that 'valid' is only written to > so it may be as well removed completely. > > Care to update the patch? > > Thanks, > Bart how about this? Roel --- Clean up cdrom_analyze_sense_data() Signed-off-by: Roel Kluin <12o3l@tiscali.nl> --- diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index a60f5df..a5f3beb 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -143,8 +143,6 @@ void cdrom_analyze_sense_data(ide_drive_t *drive, struct request_sense *sense) { unsigned long sector; - unsigned long bio_sectors; - unsigned long valid; struct cdrom_info *info = drive->driver_data; if (!cdrom_log_sense(drive, failed_command, sense)) @@ -174,13 +172,9 @@ void cdrom_analyze_sense_data(ide_drive_t *drive, (sense->information[2] << 8) | (sense->information[3]); - bio_sectors = bio_sectors(failed_command->bio); - if (bio_sectors < 4) - bio_sectors = 4; if (drive->queue->hardsect_size == 2048) sector <<= 2; /* Device sector size is 2K */ - sector &= ~(bio_sectors -1); - valid = (sector - failed_command->sector) << 9; + sector &= ~(max(bio_sectors(failed_command->bio) - 1, 3)); if (sector < get_capacity(info->disk) && drive->probed_capacity - sector < 4 * 75) {