1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 27de5046708a..968f9e52effa 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -87,13 +87,15 @@ static void do_z2_request(struct request_queue *q)
                 while (len) {
                         unsigned long addr = start & Z2RAM_CHUNKMASK;
                         unsigned long size = Z2RAM_CHUNKSIZE - addr;
+                        void *buffer = bio_data(req->bio);
+
                         if (len < size)
                                 size = len;
                         addr += z2ram_map[ start >> Z2RAM_CHUNKSHIFT ];
                         if (rq_data_dir(req) == READ)
-                                memcpy(req->buffer, (char *)addr, size);
+                                memcpy(buffer, (char *)addr, size);
                         else
-                                memcpy((char *)addr, req->buffer, size);
+                                memcpy((char *)addr, buffer, size);
                         start += size;
                         len -= size;
                 }