From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Fri, 28 Jul 2017 04:17:01 +0000 (+0200)
Subject: lvm: check whether lxc.bdev.lvm.vg is set
X-Git-Tag: lxc-2.1.0~43^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01e5fa0792a7435fd31bac38df4f3688261d77f5;p=thirdparty%2Flxc.git

lvm: check whether lxc.bdev.lvm.vg is set

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/bdev/lxclvm.c b/src/lxc/bdev/lxclvm.c
index fdbd98707..7b1cbd5d8 100644
--- a/src/lxc/bdev/lxclvm.c
+++ b/src/lxc/bdev/lxclvm.c
@@ -307,6 +307,11 @@ int lvm_clonepaths(struct bdev *orig, struct bdev *new, const char *oldname,
 			return -1;
 		}
 		vg = lxc_global_config_value("lxc.bdev.lvm.vg");
+		if (!vg) {
+			ERROR("The \"lxc.bdev.lvm.vg\" key is not set");
+			return -1;
+		}
+
 		len = strlen("/dev/") + strlen(vg) + strlen(cname) + 4 + 2;
 		new->src = malloc(len);
 		if (new->src)