Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758572Ab1ELXu2 (ORCPT ); Thu, 12 May 2011 19:50:28 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:51853 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758899Ab1ELXuR (ORCPT ); Thu, 12 May 2011 19:50:17 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6344"; a="90916799" From: Stephen Boyd To: linux-bluetooth@vger.kernel.org Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Marcel Holtmann , "Gustavo F. Padovan" Subject: [PATCH 6/9] Bluetooth: Silence DEBUG_STRICT_USER_COPY_CHECKS=y warning Date: Thu, 12 May 2011 16:50:09 -0700 Message-Id: <1305244212-19183-7-git-send-email-sboyd@codeaurora.org> X-Mailer: git-send-email 1.7.5.1.217.g4e3aa In-Reply-To: <1305244212-19183-1-git-send-email-sboyd@codeaurora.org> References: <1305244212-19183-1-git-send-email-sboyd@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1490 Lines: 44 Enabling DEBUG_STRICT_USER_COPY_CHECKS causes the following warning: In function 'copy_from_user', inlined from 'rfcomm_sock_setsockopt' at net/bluetooth/rfcomm/sock.c:705: arch/x86/include/asm/uaccess_64.h:65: warning: call to 'copy_from_user_overflow' declared with attribute warning: copy_from_user() buffer size is not provably correct presumably due to buf_size being signed causing GCC to fail to see that buf_size can't become negative. Cc: Marcel Holtmann Cc: Gustavo F. Padovan Signed-off-by: Stephen Boyd --- net/bluetooth/rfcomm/sock.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 66cc1f0..0698b37 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -679,7 +679,8 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c { struct sock *sk = sock->sk; struct bt_security sec; - int len, err = 0; + int err = 0; + size_t len; u32 opt; BT_DBG("sk %p", sk); -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/