tlibventi: fix segfault in vtgetreq - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
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DIR README
DIR LICENSE
---
DIR commit 4ed8efea38afb72dfb0028a4470698563a4176e0
DIR parent d2173bb552d308d60a4e4a53cd3b8e0949b38dbc
HTML Author: David du Colombier <0intro@gmail.com>
Date: Sun, 29 Jul 2012 18:53:37 -0400
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
Diffstat:
M src/libventi/server.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
---
DIR diff --git a/src/libventi/server.c b/src/libventi/server.c
t@@ -182,7 +182,8 @@ vtgetreq(VtSrv *srv)
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;
}