ide: return request status from ->pc_callback method

Make ->pc_callback method return request status and then move
the request completion from ->pc_callback to ide_pc_intr().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index ab870a0..5625946 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -71,7 +71,7 @@
 		ide_end_request(drive, 1, 0);
 }
 
-static void ide_floppy_callback(ide_drive_t *drive, int dsc)
+static int ide_floppy_callback(ide_drive_t *drive, int dsc)
 {
 	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc *pc = drive->pc;
@@ -108,14 +108,10 @@
 			       "Aborting request!\n");
 	}
 
-	if (uptodate == 0)
-		drive->failed_pc = NULL;
-
-	if (blk_special_request(rq)) {
+	if (blk_special_request(rq))
 		rq->errors = uptodate ? 0 : IDE_DRV_ERROR_GENERAL;
-		ide_complete_rq(drive, 0);
-	} else
-		ide_end_request(drive, uptodate, 0);
+
+	return uptodate;
 }
 
 static void ide_floppy_report_error(struct ide_disk_obj *floppy,