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-rw-r--r--drivers/block/nbd.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 56a027d6115e..fb31b8ee4372 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -243,14 +243,11 @@ static int nbd_send_req(struct nbd_device *nbd, struct request *req)
struct nbd_request request;
unsigned long size = blk_rq_bytes(req);
+ memset(&request, 0, sizeof(request));
request.magic = htonl(NBD_REQUEST_MAGIC);
request.type = htonl(nbd_cmd(req));
- if (nbd_cmd(req) == NBD_CMD_FLUSH) {
- /* Other values are reserved for FLUSH requests. */
- request.from = 0;
- request.len = 0;
- } else {
+ if (nbd_cmd(req) != NBD_CMD_FLUSH && nbd_cmd(req) != NBD_CMD_DISC) {
request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9);
request.len = htonl(size);
}