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-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)
1250 * separate masks. 1250 * separate masks.
1251 */ 1251 */
1252 alignment = queue_dma_alignment(q) | q->dma_pad_mask; 1252 alignment = queue_dma_alignment(q) | q->dma_pad_mask;
1253 if ((unsigned long)buf & alignment || rq->data_len & alignment 1253 if ((unsigned long)buf & alignment
1254 || rq->data_len & q->dma_pad_mask
1254 || object_is_on_stack(buf)) 1255 || object_is_on_stack(buf))
1255 drive->dma = 0; 1256 drive->dma = 0;
1256 } 1257 }