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authorChuck Lever <chuck.lever@oracle.com>2009-03-18 20:46:59 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-03-28 15:55:40 -0400
commitba5c35e0c7e30b095636cd58b0854fdbd3c32947 (patch)
tree43f59f4c98576811e66567e06470f0d840db18ab /net/sunrpc/svc.c
parentfc28decdc93633a65d54e42498e9e819d466329c (diff)
downloadlinux-ba5c35e0c7e30b095636cd58b0854fdbd3c32947.tar.gz
SUNRPC: Don't return EPROTONOSUPPORT in svc_register()'s helpers
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>
Diffstat (limited to 'net/sunrpc/svc.c')
-rw-r--r--net/sunrpc/svc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index d72ff44826d8..17e0d7265dfd 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -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,