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Commit 4784cb51 authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
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SUNRPC: Retry bad rpcbind replies 



When a server returns a bad rpcbind reply, make rpcbind client recovery logic
retry with an older protocol version.  Older versions are more likely to work
correctly.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent e65fe397

net/sunrpc/rpcb_clnt.c

+4 −0
Original line number Diff line number Diff line
@@ -446,6 +446,10 @@ static void rpcb_getport_done(struct rpc_task *child, void *data) 
	struct rpc_xprt *xprt = map->r_xprt;

	int status = child->tk_status;



	/* Garbage reply: retry with a lesser rpcbind version */

	if (status == -EIO)

		status = -EPROTONOSUPPORT;



	/* rpcbind server doesn't support this rpcbind protocol version */

	if (status == -EPROTONOSUPPORT)

		xprt->bind_index++;