From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
[ Upstream commit 214c13e380ad7636631279f426387f9c4e3c14d9 ]
If we already had a valid port number for the RPC service, then we
should not allow the rpcbind client to set it to the invalid value '0'.
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Reviewed-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/sunrpc/rpcb_clnt.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 102c3818bc54d..53bcca365fb1c 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -820,9 +820,10 @@ static void rpcb_getport_done(struct rpc_task *child, void *data)
}
trace_rpcb_setport(child, map->r_status, map->r_port);
- xprt->ops->set_port(xprt, map->r_port);
- if (map->r_port)
+ if (map->r_port) {
+ xprt->ops->set_port(xprt, map->r_port);
xprt_set_bound(xprt);
+ }
}
/*
--
2.39.5
