From: S.Çağlar Onur <caglar@10ur.org>
Date: Tue, 3 Sep 2013 20:21:15 +0000 (-0400)
Subject: bdev_copy segfaults if bdevtype is NULL
X-Git-Tag: lxc-1.0.0.alpha1~1^2~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e34b5d2ef2c329afe6540bbfc298ae631378832e;p=thirdparty%2Flxc.git

bdev_copy segfaults if bdevtype is NULL

Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
---

diff --git a/src/lxc/bdev.c b/src/lxc/bdev.c
index 39592b2b3..b45f2cb06 100644
--- a/src/lxc/bdev.c
+++ b/src/lxc/bdev.c
@@ -1939,7 +1939,7 @@ struct bdev *bdev_copy(const char *src, const char *oldname, const char *cname,
 		bdevtype = "overlayfs";
 
 	*needs_rdep = 0;
-	if (strcmp(orig->type, "dir") == 0 &&
+	if (bdevtype && strcmp(orig->type, "dir") == 0 &&
 			strcmp(bdevtype, "overlayfs") == 0)
 		*needs_rdep = 1;