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SUNRPC: Don't return EPROTONOSUPPORT in svc_register()'s helpers

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The RPC client returns -EPROTONOSUPPORT if there is a protocol version
mismatch (ie the remote RPC server doesn't support the RPC protocol
version sent by the client).

Helpers for the svc_register() function return -EPROTONOSUPPORT if they
don't recognize the passed-in IPPROTO_ value.

These are two entirely different failure modes.

Have the helpers return -ENOPROTOOPT instead of -EPROTONOSUPPORT.  This
will allow callers to determine more precisely what the underlying
problem is, and decide to report or recover appropriately.

This patch is part of a series that addresses
   http://bugzilla.kernel.org/show_bug.cgi?id=12256

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2009-03-18 20:46:59 -04:00 committed by Trond Myklebust
parent fc28decdc9
commit ba5c35e0c7
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/svc.c
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@ -749,7 +749,7 @@ static int __svc_rpcb_register4(const u32 program, const u32 version,
netid = RPCBIND_NETID_TCP;
break;
default:
return -EPROTONOSUPPORT;
return -ENOPROTOOPT;
}
return rpcb_v4_register(program, version,
@ -785,7 +785,7 @@ static int __svc_rpcb_register6(const u32 program, const u32 version,
netid = RPCBIND_NETID_TCP6;
break;
default:
return -EPROTONOSUPPORT;
return -ENOPROTOOPT;
}
return rpcb_v4_register(program, version,