From: trondmy@kernel.org
To: linux-nfs@vger.kernel.org
Cc: Jeff Layton <jlayton@kernel.org>, Josef Bacik <josef@toxicpanda.com>
Subject: [PATCH 1/4] SUNRPC: rpcbind should never reset the port to the value '0'
Date: Mon, 24 Mar 2025 20:46:36 -0400 [thread overview]
Message-ID: <8b9a709ef321aa246b9ef00a8bcfa71a77df4245.1742863168.git.trond.myklebust@hammerspace.com> (raw)
In-Reply-To: <cover.1742863168.git.trond.myklebust@hammerspace.com>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
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'.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
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 102c3818bc54..53bcca365fb1 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);
+ }
}
/*
--
2.49.0
next prev parent reply other threads:[~2025-03-25 0:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-25 0:46 [PATCH 0/4] Ensure that ENETUNREACH terminates state recovery trondmy
2025-03-25 0:46 ` trondmy [this message]
2025-03-25 0:46 ` [PATCH 2/4] SUNRPC: rpc_clnt_set_transport() must not change the autobind setting trondmy
2025-03-25 0:46 ` [PATCH 3/4] NFSv4: clp->cl_cons_state < 0 signifies an invalid nfs_client trondmy
2025-03-25 0:46 ` [PATCH 4/4] NFSv4: Treat ENETUNREACH errors as fatal for state recovery trondmy
2025-03-25 11:36 ` Trond Myklebust
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