ide-tape: make __idetape_discard_read_pipeline() of type void

It always returns 0 which has no effect on tape positioning calculation so
simplify it by converting its type to void, bringing no functional change to the
driver.

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

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 4e93a82f57ed..3c61770020ef 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1641,12 +1641,12 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive,
         return 1;
 }
 
-static int __idetape_discard_read_pipeline(ide_drive_t *drive)
+static void __idetape_discard_read_pipeline(ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
 
         if (tape->chrdev_dir != IDETAPE_DIR_READ)
-                return 0;
+                return;
 
         clear_bit(IDETAPE_FLAG_FILEMARK, &tape->flags);
         tape->merge_stage_size = 0;
@@ -1656,8 +1656,6 @@ static int __idetape_discard_read_pipeline(ide_drive_t *drive)
         }
 
         tape->chrdev_dir = IDETAPE_DIR_NONE;
-
-        return 0;
 }
 
 /*
@@ -1689,13 +1687,12 @@ static void idetape_discard_read_pipeline(ide_drive_t *drive,
                                           int restore_position)
 {
         idetape_tape_t *tape = drive->driver_data;
-        int cnt;
         int seek, position;
 
-        cnt = __idetape_discard_read_pipeline(drive);
+        __idetape_discard_read_pipeline(drive);
         if (restore_position) {
                 position = idetape_read_position(drive);
-                seek = position > cnt ? position - cnt : 0;
+                seek = position > 0 ? position : 0;
                 if (idetape_position_tape(drive, seek, 0, 0)) {
                         printk(KERN_INFO "ide-tape: %s: position_tape failed in"
                                          " discard_pipeline()\n", tape->name);