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authorIngo Molnar <mingo@elte.hu>2008-11-10 09:16:27 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-10 09:16:27 +0100
commit4ecd33d930591d41fe356160593a9076467b961c (patch)
treeb9051a334540bbce38db1b2b03cebb4cf1d51f73 /drivers/ide/ide-cd.c
parent7d5a78cd98c3a5eb83bd6a061c5ea6ef1e9b8fcb (diff)
parentf7160c7573615ec82c691e294cf80d920b5d588d (diff)
Merge commit 'v2.6.28-rc4' into x86/apic
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;
}