ide: sanitize ide_finish_cmd()

* Move ide_end_request() call out from ide_finish_cmd() to its users.

* Use ide_finish_cmd() in task_no_data_intr().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index cba9fe5..820e510 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -98,7 +98,10 @@
 		if (!dma_stat) {
 			struct ide_cmd *cmd = &hwif->cmd;
 
-			ide_finish_cmd(drive, cmd, stat);
+			if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
+				ide_finish_cmd(drive, cmd, stat);
+			else
+				ide_end_request(drive, 1, cmd->rq->nr_sectors);
 			return ide_stopped;
 		}
 		printk(KERN_ERR "%s: %s: bad DMA status (0x%02x)\n",