1 files changed, 2 insertions, 0 deletions

diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index e5e28d1946a4..2ac3f6e8adff 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -249,6 +249,8 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target,
         req->rl_nchunks = nchunks;
 
         BUG_ON(nchunks == 0);
+        BUG_ON((r_xprt->rx_ia.ri_memreg_strategy == RPCRDMA_FRMR)
+               && (nchunks > 3));
 
         /*
          * finish off header. If write, marshal discrim and nchunks.