From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933669AbdKAVVC (ORCPT ); Wed, 1 Nov 2017 17:21:02 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:35013 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933643AbdKAVVA (ORCPT ); Wed, 1 Nov 2017 17:21:00 -0400 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Michael Thalmeier , Peter Chen , Willy Tarreau Subject: [PATCH 3.10 024/139] usb: chipidea: debug: check before accessing ci_role Date: Wed, 1 Nov 2017 22:17:24 +0100 Message-Id: <1509571159-4405-25-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1509571159-4405-1-git-send-email-w@1wt.eu> References: <1509571159-4405-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Thalmeier commit 0340ff83cd4475261e7474033a381bc125b45244 upstream. ci_role BUGs when the role is >= CI_ROLE_END. Cc: stable@vger.kernel.org Signed-off-by: Michael Thalmeier Signed-off-by: Peter Chen Signed-off-by: Willy Tarreau --- drivers/usb/chipidea/debug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 36a7063..5a38ca8 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -203,7 +203,8 @@ static int ci_role_show(struct seq_file *s, void *data) { struct ci13xxx *ci = s->private; - seq_printf(s, "%s\n", ci_role(ci)->name); + if (ci->role != CI_ROLE_END) + seq_printf(s, "%s\n", ci_role(ci)->name); return 0; } -- 2.8.0.rc2.1.gbe9624a