ide-tape: remove superfluous tape->lock

tape->lock is not needed (->queue_lock protects queue).

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index de2d926..72b4350 100644 (file)
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -245,9 +245,6 @@ typedef struct ide_tape_obj {
        /* Wasted space in each stage */
        int excess_bh_size;
 
-       /* protects the ide-tape queue */
-       spinlock_t lock;
-
        /* Measures average tape speed */
        unsigned long avg_time;
        int avg_size;
@@ -481,7 +478,6 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects)
 {
        struct request *rq = drive->hwif->rq;
        idetape_tape_t *tape = drive->driver_data;
-       unsigned long flags;
        int error;
 
        debug_log(DBG_PROCS, "Enter %s\n", __func__);
@@ -500,11 +496,8 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects)
                return 0;
        }
 
-       spin_lock_irqsave(&tape->lock, flags);
-
        ide_complete_rq(drive, 0);
 
-       spin_unlock_irqrestore(&tape->lock, flags);
        return 0;
 }
 
@@ -2192,8 +2185,6 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
        drive->pc_update_buffers = idetape_update_buffers;
        drive->pc_io_buffers     = ide_tape_io_buffers;
 
-       spin_lock_init(&tape->lock);
-
        drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
 
        if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) {