storage: fix lvm fs uuid generation

Closes #2241.

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

diff --git a/src/lxc/storage/lvm.c b/src/lxc/storage/lvm.c
index e18ba8424ceb97a6a3f73db2e4fa1687b1747f55..2d4f12d7ab02e902f322bc39ff125e3f35e4f480 100644 (file)
--- a/src/lxc/storage/lvm.c
+++ b/src/lxc/storage/lvm.c
@@ -324,7 +324,7 @@ static int lvm_snapshot_create_new_uuid_wrapper(void *data)
        if (strcmp(args->fstype, "btrfs") == 0)
                execlp("btrfstune", "btrfstune", "-f", "-u", args->lv, (char *)NULL);
 
-       return -1;
+       return 0;
 }
 
 static int lvm_snapshot(struct lxc_storage *orig, const char *path, uint64_t size)