From patchwork Mon Jun 15 12:12:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11604699 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4C64A159A for ; Mon, 15 Jun 2020 12:14:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A906206D7 for ; Mon, 15 Jun 2020 12:14:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="YkE5+1YF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730014AbgFOMOl (ORCPT ); Mon, 15 Jun 2020 08:14:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729701AbgFOMNI (ORCPT ); Mon, 15 Jun 2020 08:13:08 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 535A8C061A0E; Mon, 15 Jun 2020 05:13:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=jzV+T85fyIY/sAf/kMztKfiAVfq1VzZmIi5LCeoOypo=; b=YkE5+1YFVkKtHugpo6WqOnTtwW kaLbsbL3/1HgqpHrPc8HQQypbti2XhcEfHqm/BLrXH7gp5PrKbtn1a/4aW2UO030MbnxScOFjKZDT 7WiHrFJYAjLprSF8qpopP9Ffzrshvl42OFZcuQwUkIJVAAp6ZZCPNx4azD3YP4ME4c/XqnXj7Rh8B cCTny3XhqYbArIWAKoUiCrBArWdQ95SkuHOCkKRjLKEZELiGtofRV8HE1WesGep5P1HcbxmQkxn2b BpUPHSzHqZsJUaym0xhC4KLaRrmRgkhj3xgx+YPJid2y7ejwl7hJN6G/+C+FC62Egg1g8eE7URdrw O9aWCwIg==; Received: from 195-192-102-148.dyn.cablelink.at ([195.192.102.148] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jknz7-0006zO-Ie; Mon, 15 Jun 2020 12:13:05 +0000 From: Christoph Hellwig To: Al Viro Cc: Linus Torvalds , Ian Kent , David Howells , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, netfilter-devel@vger.kernel.org Subject: [PATCH 02/13] autofs: switch to kernel_write Date: Mon, 15 Jun 2020 14:12:46 +0200 Message-Id: <20200615121257.798894-3-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200615121257.798894-1-hch@lst.de> References: <20200615121257.798894-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: While pipes don't really need sb_writers projection, __kernel_write is an interface better kept private, and the additional rw_verify_area does not hurt here. Signed-off-by: Christoph Hellwig Acked-by: Ian Kent --- fs/autofs/waitq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c index b04c528b19d342..74c886f7c51cbe 100644 --- a/fs/autofs/waitq.c +++ b/fs/autofs/waitq.c @@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi, mutex_lock(&sbi->pipe_mutex); while (bytes) { - wr = __kernel_write(file, data, bytes, &file->f_pos); + wr = kernel_write(file, data, bytes, &file->f_pos); if (wr <= 0) break; data += wr;