commit 4ed8efea38afb72dfb0028a4470698563a4176e0
author David du Colombier <0intro@gmail.com> Sun Jul 29 18:53:37 2012 -0400
committer Russ Cox <rsc@swtch.com> Sun Jul 29 18:53:37 2012 -0400
tree 98c6d0117ac72cab03059bfd9306fb6c95da839b
parent d2173bb552d308d60a4e4a53cd3b8e0949b38dbc

libventi: fix segfault in vtgetreq

Don't call vtlog() when _vtqrecv() returns
nil on queue hangup, as reported on
http://bitbucket.org/rsc/plan9port/issue/102/

R=rsc
http://codereview.appspot.com/6373046

src/libventi/server.c

diff --git a/src/libventi/server.c b/src/libventi/server.c
index d82be69..9175220 100644
--- a/src/libventi/server.c
+++ b/src/libventi/server.c
@@ -182,7 +182,8 @@
 	VtReq *r;
 	
 	r = _vtqrecv(srv->q);
-	vtlog(VtServerLog, "<font size=-1>%T %s:</font> vtgetreq %F<br>\n", ((VtSconn*)r->sc)->c->addr, &r->tx);
+	if (r != nil)
+		vtlog(VtServerLog, "<font size=-1>%T %s:</font> vtgetreq %F<br>\n", ((VtSconn*)r->sc)->c->addr, &r->tx);
 	return r;
 }