ide-tape: add ide_tape_io_buffers() helper

* Add ide_tape_io_buffers() helper which is a wrapper for
  idetape_{in,out}put_buffers() and convert idetape_pc_intr()
  to use it.

* Remove no longer used idetape_io_buf typedef.

There should be no functional changes caused by this patch.

Cc: 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 b224823a8ae7f9f29e46ef9f83c77a37ba6accd0..6801c68ee7dadfeaf414fea599e41b0466ce3f11 100644 (file)
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -780,7 +780,14 @@ static void ide_tape_handle_dsc(ide_drive_t *drive)
        idetape_postpone_request(drive);
 }
 
-typedef void idetape_io_buf(ide_drive_t *, struct ide_atapi_pc *, unsigned int);
+static void ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
+                               unsigned int bcount, int write)
+{
+       if (write)
+               idetape_output_buffers(drive, pc, bcount);
+       else
+               idetape_input_buffers(drive, pc, bcount);
+}
 
 /*
  * This is the usual interrupt handler which will be called during a packet
@@ -795,7 +802,6 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)
        idetape_tape_t *tape = drive->driver_data;
        struct ide_atapi_pc *pc = tape->pc;
        xfer_func_t *xferfunc;
-       idetape_io_buf *iobuf;
        unsigned int temp;
        u16 bcount;
        u8 stat, ireason;
@@ -895,15 +901,14 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)
                        debug_log(DBG_SENSE, "The device wants to send us more "
                                "data than expected - allowing transfer\n");
                }
-               iobuf = &idetape_input_buffers;
                xferfunc = hwif->input_data;
        } else {
-               iobuf = &idetape_output_buffers;
                xferfunc = hwif->output_data;
        }
 
        if (pc->bh)
-               iobuf(drive, pc, bcount);
+               ide_tape_io_buffers(drive, pc, bcount,
+                                   !!(pc->flags & PC_FLAG_WRITING));
        else
                xferfunc(drive, NULL, pc->cur_pos, bcount);