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-rw-r--r--drivers/ide/ide-cd.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 354c91d06a6..310e497b583 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1207,9 +1207,13 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
end_request:
if (blk_pc_request(rq)) {
unsigned long flags;
+ unsigned int dlen = rq->data_len;
+
+ if (dma)
+ rq->data_len = 0;
spin_lock_irqsave(&ide_lock, flags);
- if (__blk_end_request(rq, 0, rq->data_len))
+ if (__blk_end_request(rq, 0, dlen))
BUG();
HWGROUP(drive)->rq = NULL;
spin_unlock_irqrestore(&ide_lock, flags);