ide-cd: clean up cdrom_analyze_sense_data()

[bart: fix handling of bio_sectors(failed_command->bio) == 0]

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index cebe75838408ce3172735a629f67fc88f94c4497..fe9df38f62cc3e4ab877798e695d741f1b3457d0 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -142,7 +142,6 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive,
 {
        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))
@@ -173,14 +172,12 @@ static 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)
                                /* device sector size is 2K */
                                sector <<= 2;
+
+                       bio_sectors = max(bio_sectors(failed_command->bio), 4U);
                        sector &= ~(bio_sectors - 1);
-                       valid = (sector - failed_command->sector) << 9;
 
                        if (sector < get_capacity(info->disk) &&
                            drive->probed_capacity - sector < 4 * 75)