openwrt-packages-dist/utils/lxc/patches/035-fix-undefined-lfd.patch

--- a/src/lxc/bdev.c
+++ b/src/lxc/bdev.c
@@ -1939,7 +1939,7 @@ static int find_free_loopdev(int *retfd,
 
 static int loop_mount(struct bdev *bdev)
 {
-	int lfd, ffd = -1, ret = -1;
+	int lfd = -1, ffd = -1, ret = -1;
 	struct loop_info64 lo;
 	char loname[100];
 
@@ -1977,7 +1977,7 @@ out:
 	if (ffd > -1)
 		close(ffd);
 	if (ret < 0) {
-		close(lfd);
+		if (lfd > -1) close(lfd);
 		bdev->lofd = -1;
 	}
 	return ret;