From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FC28C43603 for ; Wed, 11 Dec 2019 15:07:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25C8D22B48 for ; Wed, 11 Dec 2019 15:07:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576076873; bh=BO2lxcauj7lLTeQ0jt3g68uT7ooDvMksT5b3CHii7pk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nU00u/BqyBUOLN89q/2jX7kXrLwKnBwPms8T/ag2tRQmfw1YS3y11ky18bwR46fC4 nmIID2Sz87M/l/mPfYZdwfqZYkD9ErqLg3KpGnkxygMghhCLDblpj4giKdh7JAqp7H i1Cv8TqPjriYfEvuovaVap7g5oE0N20eg3GR2BIc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730153AbfLKPHw (ORCPT ); Wed, 11 Dec 2019 10:07:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:55106 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730076AbfLKPHt (ORCPT ); Wed, 11 Dec 2019 10:07:49 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D9F8320663; Wed, 11 Dec 2019 15:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576076869; bh=BO2lxcauj7lLTeQ0jt3g68uT7ooDvMksT5b3CHii7pk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0kVptygJdEevPJ/GJtORto5q1ZlQqOUFm2oymaXFKlDrT3bNh9d+agb3Ep/b2Kkf/ VP4f060x4NV3F0KsAvaGAlsXl2tOPWHHatqz7k3v+OEpsl3V0OSB+UH8O5Gi8BAPxn nNuAec33pWHTHjF4GGi3a/kWqJMFs5eEkfPwaiAI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jens Axboe Subject: [PATCH 5.4 21/92] io_uring: transform send/recvmsg() -ERESTARTSYS to -EINTR Date: Wed, 11 Dec 2019 16:05:12 +0100 Message-Id: <20191211150228.498762084@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191211150221.977775294@linuxfoundation.org> References: <20191211150221.977775294@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jens Axboe commit 441cdbd5449b4923cd413d3ba748124f91388be9 upstream. We should never return -ERESTARTSYS to userspace, transform it into -EINTR. Cc: stable@vger.kernel.org # v5.3+ Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- fs/io_uring.c | 2 ++ 1 file changed, 2 insertions(+) --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1667,6 +1667,8 @@ static int io_send_recvmsg(struct io_kio ret = fn(sock, msg, flags); if (force_nonblock && ret == -EAGAIN) return ret; + if (ret == -ERESTARTSYS) + ret = -EINTR; } io_cqring_add_event(req->ctx, sqe->user_data, ret);