ide-cd: fix DMA for non bio-backed requests

This one fixes http://bugzilla.kernel.org/show_bug.cgi?id=12320.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index cae69372cf45..0bfeb0c79d6e 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -787,6 +787,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
                 if (blk_fs_request(rq)) {
                         ide_end_request(drive, 1, rq->nr_sectors);
                         return ide_stopped;
+                } else if (rq->cmd_type == REQ_TYPE_ATA_PC && !rq->bio) {
+                        ide_end_request(drive, 1, 1);
+                        return ide_stopped;
                 }
                 goto end_request;
         }