From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756118AbZFEIIx (ORCPT ); Fri, 5 Jun 2009 04:08:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755285AbZFEIFf (ORCPT ); Fri, 5 Jun 2009 04:05:35 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:37479 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755017AbZFEIFZ (ORCPT ); Fri, 5 Jun 2009 04:05:25 -0400 From: Mike Frysinger To: linux-kernel@vger.kernel.org Cc: uclinux-dist-devel@blackfin.uclinux.org, Graf Yang , Bryan Wu Subject: [PATCH 08/62] Blackfin: fix bug found by traps test case 21 Date: Fri, 5 Jun 2009 04:04:17 -0400 Message-Id: <1244189111-19639-9-git-send-email-vapier@gentoo.org> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1244189111-19639-1-git-send-email-vapier@gentoo.org> References: <1244189111-19639-1-git-send-email-vapier@gentoo.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Graf Yang The traps test case 21 "exception 0x3f: l1_instruction_access" would make the kernel panic on BF533's because we end up calling show_stack() infinitely. Signed-off-by: Graf Yang Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mm/isram-driver.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index 22913e7..c080e70 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -125,7 +125,7 @@ static bool isram_check_addr(const void *addr, size_t n) { if ((addr >= (void *)L1_CODE_START) && (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) { - if ((addr + n) >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) { + if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) { show_stack(NULL, NULL); printk(KERN_ERR "isram_memcpy: copy involving %p length " "(%zu) too long\n", addr, n); -- 1.6.3.1