From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753064AbeFAPVj (ORCPT ); Fri, 1 Jun 2018 11:21:39 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:53098 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751988AbeFAPVb (ORCPT ); Fri, 1 Jun 2018 11:21:31 -0400 X-Google-Smtp-Source: ADUXVKJsPmiCUZXa1nJdziM0v7gygooktLqHfJLS97BW23y3OhMvJ5mGK26g9L5uvpz1YPUfJy5g2A== From: Luc Van Oostenryck To: Palmer Dabbelt Cc: Albert Ou , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Luc Van Oostenryck Subject: [PATCH 2/3] riscv: no __user for probe_kernel_address() Date: Fri, 1 Jun 2018 17:21:22 +0200 Message-Id: <20180601152123.47256-3-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180601152123.47256-1-luc.vanoostenryck@gmail.com> References: <20180601152123.47256-1-luc.vanoostenryck@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In is_valid_bugaddr(), probe_kernel_address() is called with the PC casted to (bug_inst_t __user *) but this function only take a plain void* as argument, not a __user pointer. Fix this by removing the unnneded __user in the cast. Signed-off-by: Luc Van Oostenryck --- arch/riscv/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 93132cb59..4c92e5af8 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -160,7 +160,7 @@ int is_valid_bugaddr(unsigned long pc) if (pc < PAGE_OFFSET) return 0; - if (probe_kernel_address((bug_insn_t __user *)pc, insn)) + if (probe_kernel_address((bug_insn_t *)pc, insn)) return 0; return (insn == __BUG_INSN); } -- 2.17.1