linux-kernel - [133/145] SUNRPC: Handle EINVAL error returns from the TCP connect operation

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Date:	Fri, 12 Mar 2010 16:27:46 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [133/145] SUNRPC: Handle EINVAL error returns from the TCP connect operation

2.6.32-stable review patch.  If anyone has any objections, please let me know.

----------------
From: Trond Myklebust <Trond.Myklebust@...app.com>

commit 9fcfe0c83c3b04a759cde6b8c5f961237f17808b upstream.

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

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

---
 net/sunrpc/xprtsock.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1926,6 +1926,11 @@ static void xs_tcp_setup_socket(struct r
 	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;


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