am 755b9099: am c325535d: Merge "Close fd on error path in do_mount()"

* commit '755b9099203fd1b491bf82dc8dad5bafba4f6bcd':
  Close fd on error path in do_mount()

init/builtins.c

@@ -433,6 +433,7 @@ int do_mount(int nargs, char **args)
             sprintf(tmp, "/dev/block/loop%d", n);
             loop = open(tmp, mode);
             if (loop < 0) {
+                close(fd);
                 return -1;
             }