ide-tape: use drive->pc_callback instead of pc->callback

The if-else block in the IRQ handler is only temporary so that bisect searches
don't break and it'll be removed after converting the remainder of the drivers.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 0c4f452..d5249df 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -31,7 +31,7 @@
 	debug_log("Enter %s - interrupt handler\n", __func__);
 
 	if (pc->flags & PC_FLAG_TIMEDOUT) {
-		if (drive->media == ide_floppy)
+		if (drive->media == ide_floppy || drive->media == ide_tape)
 			drive->pc_callback(drive);
 		else
 			pc->callback(drive);
@@ -100,7 +100,7 @@
 			return ide_stopped;
 		}
 		/* Command finished - Call the callback function */
-		if (drive->media == ide_floppy)
+		if (drive->media == ide_floppy || drive->media == ide_tape)
 			drive->pc_callback(drive);
 		else
 			pc->callback(drive);
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 663671f6..38ca7b1 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -689,7 +689,6 @@
 	pc->buf_size = IDETAPE_PC_BUFFER_SIZE;
 	pc->bh = NULL;
 	pc->b_data = NULL;
-	pc->callback = ide_tape_callback;
 }
 
 static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc)
@@ -886,7 +885,7 @@
 			pc->error = IDETAPE_ERROR_GENERAL;
 		}
 		tape->failed_pc = NULL;
-		pc->callback(drive);
+		drive->pc_callback(drive);
 		return ide_stopped;
 	}
 	debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]);
@@ -948,7 +947,7 @@
 		pc->error = IDETAPE_ERROR_GENERAL;
 		tape->failed_pc = NULL;
 	}
-	pc->callback(drive);
+	drive->pc_callback(drive);
 	return ide_stopped;
 }
 
@@ -2465,6 +2464,8 @@
 	u8 gcw[2];
 	u16 *ctl = (u16 *)&tape->caps[12];
 
+	drive->pc_callback = ide_tape_callback;
+
 	spin_lock_init(&tape->lock);
 	drive->dsc_overlap = 1;
 	if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) {