From: Jan Beulich <jbeulich@suse.com>
Date: Fri, 24 Apr 2015 10:15:15 +0000 (+0200)
Subject: libxlu: don't crash on empty lists
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~3364
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=5c44b5cf352e4d71bb15197560a7e552f0920764;p=xen.git

libxlu: don't crash on empty lists

Prior to 1a09c5113a ("libxlu: rework internal representation of
setting") empty lists in config files did get accepted. Restore that
behavior.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---

diff --git a/tools/libxl/libxlu_cfg.c b/tools/libxl/libxlu_cfg.c
index abf6b06dfa..0a59b5283e 100644
--- a/tools/libxl/libxlu_cfg.c
+++ b/tools/libxl/libxlu_cfg.c
@@ -397,7 +397,7 @@ XLU_ConfigValue *xlu__cfg_list_mk(CfgParseContext *ctx,
     value = malloc(sizeof(*value));
     if (!value) goto xe;
     value->type = XLU_LIST;
-    value->u.list.nvalues = 1;
+    value->u.list.nvalues = !!val;
     value->u.list.avalues = 1;
     value->u.list.values = values;
     memcpy(&value->loc, loc, sizeof(*loc));