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 39592b2b38db3d996e473f72c8e2fb0abcdca0c5..b45f2cb06a6afce2c51f79a2c4fc48cabfcc874b 100644 (file)
--- 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;