diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/rpc_rdma.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 845586f7df47..68a39c004851 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -681,6 +681,8 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) transfertypes[rtype], transfertypes[wtype], hdrlen, rpclen); + if (!rpcrdma_dma_map_regbuf(&r_xprt->rx_ia, req->rl_rdmabuf)) + goto out_map; req->rl_send_iov[0].addr = rdmab_addr(req->rl_rdmabuf); req->rl_send_iov[0].length = hdrlen; req->rl_send_iov[0].lkey = rdmab_lkey(req->rl_rdmabuf); @@ -689,6 +691,8 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) if (rtype == rpcrdma_areadch) return 0; + if (!rpcrdma_dma_map_regbuf(&r_xprt->rx_ia, req->rl_sendbuf)) + goto out_map; req->rl_send_iov[1].addr = rdmab_addr(req->rl_sendbuf); req->rl_send_iov[1].length = rpclen; req->rl_send_iov[1].lkey = rdmab_lkey(req->rl_sendbuf); @@ -704,6 +708,11 @@ out_overflow: out_unmap: r_xprt->rx_ia.ri_ops->ro_unmap_safe(r_xprt, req, false); return PTR_ERR(iptr); + +out_map: + pr_err("rpcrdma: failed to DMA map a Send buffer\n"); + iptr = ERR_PTR(-EIO); + goto out_unmap; } /* |