Received: by 2002:ac0:a591:0:0:0:0:0 with SMTP id m17-v6csp1194499imm; Thu, 5 Jul 2018 17:08:48 -0700 (PDT) X-Google-Smtp-Source: AAOMgpdoWqjC8kvZ8bIfollWNQI0Q72OfcMknIvC79bEBk/49oaoJmz/lCk4b8XDmVAqcX4nw5Wy X-Received: by 2002:a65:4b87:: with SMTP id t7-v6mr2746770pgq.391.1530835728106; Thu, 05 Jul 2018 17:08:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530835728; cv=none; d=google.com; s=arc-20160816; b=KlJ1eB/SpD16XL0Vx4rRZjtwyHyGZcHI+YJz1ws0hmlsn0VaVvw6F+xRkqavae+Jhk B/gqdP65Twz6c8SUFkuIgTydShYYjtrOE09Cs4RjPkj5HyyiMbte46DhSR6Ik8VOla2M tPjENL0orVGvfMEb7KVn+Wy1Dsi+aDlulD8nurZ+adxcQ0LV/m5C8S+UPHbuBJzzRM9M 2O6T9cSssdDvZFSC3RubZUABhzHDocAHad5w90VcDfKHXA3UljhRZu+AaSHxVxZgDr3j I7jApyUaBJAqtkxAETqm43KjMizNMdPKusNqLZH5H/qhtgyVCRldfr3eL8vNPpLf0uy7 i4GQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=aAk5ls2x9PeKxVcpc/N8O+lAsT1HaEUm4llz5bZDJZ0=; b=rkmWjs9LBR+KFsYrpJgEtnQ6MR/IMTmp+bwSwKqTMyygR5JBYnXbLvdjfubF90eAJi Z3VozTgKYEGusSCuKTixZhuLFI+u2S0yceQXnQddk3v/IoghPfM2qXohAu7vSFDffh4r wkThFLi/sKm9O+i9CK6iBtczqjaJ4ZqfSUJ0j/ekJlEN2i5h1iGKfeWDC8+bn56j1z5S v6kiGCRKbHF2HXkAFlFGY0XNprl3Q/dVZURbO+DreSpOef6WPkrzwKjuWS9Orli9Qkss /rmfylM3MnDXt368qNkcgwXzwC6R8tZ5pt7z1GQI3S0WeFEoeWl/Ln2RG53WGjntrSmI HgBw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f34-v6si6767052ple.165.2018.07.05.17.08.10; Thu, 05 Jul 2018 17:08:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753464AbeGFAGs (ORCPT + 99 others); Thu, 5 Jul 2018 20:06:48 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:57722 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753251AbeGFAGr (ORCPT ); Thu, 5 Jul 2018 20:06:47 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BCFA787928; Fri, 6 Jul 2018 00:06:46 +0000 (UTC) Received: from gblock2.localdomain (ovpn-12-18.pek2.redhat.com [10.72.12.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 52C872166BA9; Fri, 6 Jul 2018 00:06:41 +0000 (UTC) From: xiubli@redhat.com To: gregkh@linuxfoundation.org, hamish.martin@alliedtelesis.co.nz, linux-kernel@vger.kernel.org Cc: jannh@google.com, pkalever@redhat.com, pkarampu@redhat.com, atumball@redhat.com, sabose@redhat.com, mchristi@redhat.com Subject: [PATCH V2 0/2] uio: fix potential crash bug Date: Thu, 5 Jul 2018 20:06:37 -0400 Message-Id: <1530835599-2234-1-git-send-email-xiubli@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Fri, 06 Jul 2018 00:06:46 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Fri, 06 Jul 2018 00:06:46 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'xiubli@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xiubo Li V2: - resend it with some small fix Xiubo Li (2): uio: change to use the mutex lock instead of the spin lock uio: fix crash after the device is unregistered drivers/uio/uio.c | 142 ++++++++++++++++++++++++++++++++++----------- include/linux/uio_driver.h | 2 +- 2 files changed, 108 insertions(+), 36 deletions(-) -- 1.8.3.1