aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-cd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c3
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;
}

Privacy Policy