Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "Fix the arm64 usage of ftrace_graph_ret_addr() to pass the
  &state->graph_idx pointer instead of NULL, otherwise this function
  just returns early"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: stacktrace: fix the usage of ftrace_graph_ret_addr()