From fc638f7bd4d11352c44c8d4c6fc6d15e90f17ddb Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Mon, 16 Jan 2012 16:53:08 -0500
Subject: libventi: handle rpc when not connected

R=rsc
CC=plan9port.codebot
http://codereview.appspot.com/5491051
---
 src/libventi/rpc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libventi/rpc.c b/src/libventi/rpc.c
index 5a820a99..8f268633 100644
--- a/src/libventi/rpc.c
+++ b/src/libventi/rpc.c
@@ -37,6 +37,12 @@ _vtrpc(VtConn *z, Packet *p, VtFcall *tx)
 	uchar tag, buf[2], *top;
 	Rwait *r, *rr;
 
+	if(z == nil){
+		werrstr("not connected");
+		packetfree(p);
+		return nil;
+	}
+
 	/* must malloc because stack could be private */
 	r = vtmallocz(sizeof(Rwait));
 
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