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-rw-r--r--drivers/cdrom/gdrom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 51e75ad..584bc31 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -602,7 +602,7 @@ static void gdrom_readdisk_dma(struct work_struct *work)
spin_unlock(&gdrom_lock);
block = blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;
block_cnt = blk_rq_sectors(req)/GD_TO_BLK;
- __raw_writel(virt_to_phys(req->buffer), GDROM_DMA_STARTADDR_REG);
+ __raw_writel(virt_to_phys(bio_data(req->bio)), GDROM_DMA_STARTADDR_REG);
__raw_writel(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
__raw_writel(1, GDROM_DMA_DIRECTION_REG);
__raw_writel(1, GDROM_DMA_ENABLE_REG);
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