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authorIngo Molnar <mingo@elte.hu>2008-11-20 09:02:39 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-20 09:02:39 +0100
commitfbc2a06056c9aa3cb8c44bf1cfeb1d260e229e5c (patch)
treefeb2a1c13ad3dff5a8c7ab3c0265e8eca7a0c5a3 /drivers/ide/ide-cd.c
parenta3d732f93785da17e0137210deadb4616f5536fc (diff)
parentee2f6cc7f9ea2542ad46070ed62ba7aa04d08871 (diff)
Merge branch 'linus' into x86/uv
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 48b5eda3ab4..42ab6d8715f 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;
}