From nobody Wed Sep 10 02:48:45 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A38CCC001DC for ; Mon, 31 Jul 2023 02:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229481AbjGaCOg (ORCPT ); Sun, 30 Jul 2023 22:14:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbjGaCOe (ORCPT ); Sun, 30 Jul 2023 22:14:34 -0400 Received: from mail.nfschina.com (unknown [42.101.60.195]) by lindbergh.monkeyblade.net (Postfix) with SMTP id 7190619C for ; Sun, 30 Jul 2023 19:14:33 -0700 (PDT) Received: from localhost.localdomain (unknown [219.141.250.2]) by mail.nfschina.com (Maildata Gateway V2.8.8) with ESMTPA id 459696025D44E; Mon, 31 Jul 2023 10:14:07 +0800 (CST) X-MD-Sfrom: zeming@nfschina.com X-MD-SrcIP: 219.141.250.2 From: Li zeming To: paul@paul-moore.com, brauner@kernel.org, fred@cloudflare.com, kpsingh@kernel.org, rdunlap@infradead.org Cc: linux-kernel@vger.kernel.org, Li zeming Subject: [PATCH] =?UTF-8?q?user=5Fnamespace:=20Remove=20unnecessary=20?= =?UTF-8?q?=E2=80=98NULL=E2=80=99=20values=20from=20map=5Fwrite?= Date: Wed, 2 Aug 2023 02:45:12 +0800 Message-Id: <20230801184512.2892-1-zeming@nfschina.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" kbuf is assigned first, so it does not need to initialize the assignment. Signed-off-by: Li zeming Reviewed-by: Randy Dunlap --- kernel/user_namespace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index 1d8e47bed3f1..6fabf388bb8a 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -928,7 +928,7 @@ static ssize_t map_write(struct file *file, const char = __user *buf, struct uid_gid_map new_map; unsigned idx; struct uid_gid_extent extent; - char *kbuf =3D NULL, *pos, *next_line; + char *kbuf, *pos, *next_line; ssize_t ret; =20 /* Only allow < page size writes at the beginning of the file */ --=20 2.18.2