diff options
Diffstat (limited to 'drivers/ide/ide-cd.c')
| -rw-r--r-- | drivers/ide/ide-cd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 48b5eda3ab41..42ab6d8715f2 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1250,7 +1250,8 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) * separate masks. */ alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if ((unsigned long)buf & alignment || rq->data_len & alignment + if ((unsigned long)buf & alignment + || rq->data_len & q->dma_pad_mask || object_is_on_stack(buf)) drive->dma = 0; } |
