From patchwork Mon Jun 1 17:53:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 225134 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, 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 2DBA5C433E0 for ; Mon, 1 Jun 2020 17:57:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08054206E2 for ; Mon, 1 Jun 2020 17:57:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034275; bh=SsLiBfPUfwRMO5zOAfXQpcBzfExWYne2KkXaGffZrCQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FwIuS0iWTokAm++h4EGqxm5zbwm04T1NrNR/OaJqNOoabia70jTbp11ysJJ/Np0+c 6Y6bFVa8Pbur7htrmiuVlo2cD0vpaTLdRXIyhIVHcopb5hzsknbz9KcMDD+rwfJ1zB zTcWUGVKkjvGERmBwNmB2aHG+/9wOhAfSKusLPqA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729040AbgFAR5y (ORCPT ); Mon, 1 Jun 2020 13:57:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:39306 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729022AbgFAR5u (ORCPT ); Mon, 1 Jun 2020 13:57:50 -0400 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 0C0372073B; Mon, 1 Jun 2020 17:57:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034270; bh=SsLiBfPUfwRMO5zOAfXQpcBzfExWYne2KkXaGffZrCQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BB8FW0PtFQssryoHpVvvPjyHjRqphFwxg4qmQxDzCNpZxUq+ka5ChWlYX5wTMOx7p FSoq5osHlxVb4vE3pAcChdYX9yIK5oMNX4rDn+nA24rIVMVMmOV++RPEsQzzsxE7Dv AxT08sEiIdh9Diey4dB9MMBNYXldx36hd/vt3MAY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Coverity , Steve French , Shyam Prasad N , Sasha Levin Subject: [PATCH 4.9 19/61] cifs: Fix null pointer check in cifs_read Date: Mon, 1 Jun 2020 19:53:26 +0200 Message-Id: <20200601174015.342675377@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174010.316778377@linuxfoundation.org> References: <20200601174010.316778377@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Steve French [ Upstream commit 9bd21d4b1a767c3abebec203342f3820dcb84662 ] Coverity scan noted a redundant null check Coverity-id: 728517 Reported-by: Coverity Signed-off-by: Steve French Reviewed-by: Shyam Prasad N Signed-off-by: Sasha Levin --- fs/cifs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 09d83275c20b..b2919166855f 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3293,7 +3293,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset) * than it negotiated since it will refuse the read * then. */ - if ((tcon->ses) && !(tcon->ses->capabilities & + if (!(tcon->ses->capabilities & tcon->ses->server->vals->cap_large_files)) { current_read_size = min_t(uint, current_read_size, CIFSMaxBufSize);