From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 2 Mar 2010 18:06:21 +0000 (-0500)
Subject: SUNRPC: Handle EINVAL error returns from the TCP connect operation
X-Git-Tag: firefly_0821_release~10186^2~2045
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c73b9e0e11be512641d478628baf0f870182dc7e;p=firefly-linux-kernel-4.4.55.git

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 37c5475ba258..5cdbf7c21b18 100644
--- 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;