SUNRPC: Handle EINVAL error returns from the TCP connect operation

commit 9fcfe0c83c3b04a759cde6b8c5f961237f17808b upstream.

This can, for instance, happen if the user specifies a link local IPv6
address.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 37c5475ba258b51b22c6722aeb605741c2732051..5cdbf7c21b18b80d03b94d3dbb417eb000aa47db 100644 (file)
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1926,6 +1926,11 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt,
        case -EALREADY:
                xprt_clear_connecting(xprt);
                return;
+       case -EINVAL:
+               /* Happens, for instance, if the user specified a link
+                * local IPv6 address without a scope-id.
+                */
+               goto out;
        }
 out_eagain:
        status = -EAGAIN;