1 files changed, 1 insertions, 1 deletions

diff --git a/block/blk-merge.c b/block/blk-merge.c
index 87e4fb7d0e98..4852475521ea 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -180,7 +180,7 @@ new_segment:
         }
 
         if (q->dma_drain_size && q->dma_drain_needed(rq)) {
-                if (rq->cmd_flags & REQ_RW)
+                if (rq->cmd_flags & REQ_WRITE)
                         memset(q->dma_drain_buffer, 0, q->dma_drain_size);
 
                 sg->page_link &= ~0x02;