[PATCH v2] sunrpc: Don't return NULL from rpcb_create

[Pavel Emelyanov <xemul@parallels.com>]

> The reason for this is in the future, we may want to support additional 
> address family types.  We should, therefore, ensure that every piece of 
> code that is sensitive to address families fail in some orderly manner
> to let developers know where a change is needed.

Makes sense. I was under impression, that AF-s other than INET are not
cared about at all :(

Here's a fixed version of the patch.

Log:

Its callers check for ERR_PTR.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
---

 net/sunrpc/rpcb_clnt.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 83af38d..1ef2d41 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -249,7 +249,7 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
 		((struct sockaddr_in6 *)srvaddr)->sin6_port = htons(RPCBIND_PORT);
 		break;
 	default:
-		return NULL;
+		return ERR_PTR(-EAFNOSUPPORT);
 	}
 
 	return rpc_create(&args);
-- 
1.5.5.6