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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 38DD1C2BB48 for ; Tue, 15 Dec 2020 03:14:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D8ECD223E0 for ; Tue, 15 Dec 2020 03:14:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8ECD223E0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6EB758D0082; Mon, 14 Dec 2020 22:14:28 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 675598D001C; Mon, 14 Dec 2020 22:14:28 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4EC7A8D0082; Mon, 14 Dec 2020 22:14:28 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0093.hostedemail.com [216.40.44.93]) by kanga.kvack.org (Postfix) with ESMTP id 309608D001C for ; Mon, 14 Dec 2020 22:14:28 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 03F35180AD837 for ; Tue, 15 Dec 2020 03:14:28 +0000 (UTC) X-FDA: 77594048616.03.rail03_5c08ee427420 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id DAD4528A4E8 for ; Tue, 15 Dec 2020 03:14:27 +0000 (UTC) X-HE-Tag: rail03_5c08ee427420 X-Filterd-Recvd-Size: 2179 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Tue, 15 Dec 2020 03:14:27 +0000 (UTC) Date: Mon, 14 Dec 2020 19:14:25 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608002066; bh=VDDsRcEPkHj+4tymAuu2Kw1c3vL5jbFuBmEb0CH4u4I=; h=From:To:Subject:In-Reply-To:From; b=cIz4X+PnD4HDOzic8+FGvsIJ3g0bRx30YqZKQecHLajE8mhoErOylgTETFpdvkxvh NmWTFJBSyfbftRzk2ZUgfpDnmhiEcjbf5BRPcyujvNqHMGiU9b9GNz1/Iyb/cLp+cO cjvJJUXWGT7gxE8oLw/1MtUWC9pio466XFiXfKv8= From: Andrew Morton To: akpm@linux-foundation.org, colin.king@canonical.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 189/200] mm/process_vm_access: remove redundant initialization of iov_r Message-ID: <20201215031425.Q3V0eXY6G%akpm@linux-foundation.org> In-Reply-To: <20201214190237.a17b70ae14f129e2dca3d204@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Colin Ian King Subject: mm/process_vm_access: remove redundant initialization of iov_r The pointer iov_r is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Link: https://lkml.kernel.org/r/20201102120614.694917-1-colin.king@canonical.com Signed-off-by: Colin Ian King Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton --- mm/process_vm_access.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/process_vm_access.c~mm-process_vm_access-remove-redundant-initialization-of-iov_r +++ a/mm/process_vm_access.c @@ -260,7 +260,7 @@ static ssize_t process_vm_rw(pid_t pid, struct iovec iovstack_l[UIO_FASTIOV]; struct iovec iovstack_r[UIO_FASTIOV]; struct iovec *iov_l = iovstack_l; - struct iovec *iov_r = iovstack_r; + struct iovec *iov_r; struct iov_iter iter; ssize_t rc; int dir = vm_write ? WRITE : READ; _