5.15-stable review patch. If anyone has any objections, please let me know.
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From: Chuck Lever chuck.lever@oracle.com
commit 197115ebf358cb440c73e868b2a0a5ef728decc6 upstream.
When an RPC Call message cannot be pulled from the client, that is a message loss, by definition. Close the connection to trigger the client to resend.
Cc: stable@vger.kernel.org Reviewed-by: Tom Talpey tom@talpey.com Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -852,7 +852,8 @@ out_readfail: if (ret == -EINVAL) svc_rdma_send_error(rdma_xprt, ctxt, ret); svc_rdma_recv_ctxt_put(rdma_xprt, ctxt); - return ret; + svc_xprt_deferred_close(xprt); + return -ENOTCONN;
out_backchannel: svc_rdma_handle_bc_reply(rqstp, ctxt);