Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756171Ab3GVEi0 (ORCPT ); Mon, 22 Jul 2013 00:38:26 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:44372 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752984Ab3GVEiY (ORCPT ); Mon, 22 Jul 2013 00:38:24 -0400 From: Vaughan Cao To: joern@logfs.org Cc: dgilbert@interlog.com, JBottomley@parallels.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, vaughan.cao@oracle.com Subject: [PATCH v5 0/4] [SCSI] sg: fix race condition in sg_open Date: Mon, 22 Jul 2013 12:40:29 +0800 Message-Id: <1374468033-8947-1-git-send-email-vaughan.cao@oracle.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1374075246-22923-1-git-send-email-vaughan.cao@oracle.com> References: <1374075246-22923-1-git-send-email-vaughan.cao@oracle.com> X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1012 Lines: 29 There is a race when open sg with O_EXCL flag. Also a race may happen between sg_open and sg_remove. Changes from v4: * [3/4] use ERR_PTR series instead of adding another parameter in sg_add_sfp * [4/4] fix conflict for cherry-pick from v3. Changes from v3: * release o_sem in sg_release(), not in sg_remove_sfp(). * not set exclude with sfd_lock held. Vaughan Cao (4): [SCSI] sg: use rwsem to solve race during exclusive open [SCSI] sg: no need sg_open_exclusive_lock [SCSI] sg: checking sdp->detached isn't protected when open [SCSI] sg: push file descriptor list locking down to per-device locking drivers/scsi/sg.c | 178 +++++++++++++++++++++++++----------------------------- 1 file changed, 83 insertions(+), 95 deletions(-) -- 1.7.11.7 -- 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/