From nobody Thu Dec 25 16:12:37 2025 Received: from mail.nfschina.com (unknown [42.101.60.195]) by smtp.subspace.kernel.org (Postfix) with SMTP id E45ED5666 for ; Mon, 15 Jan 2024 06:25:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nfschina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nfschina.com Received: from localhost.localdomain (unknown [219.141.250.2]) by mail.nfschina.com (Maildata Gateway V2.8.8) with ESMTPA id 450A36025325C; Mon, 15 Jan 2024 14:25:26 +0800 (CST) X-MD-Sfrom: zeming@nfschina.com X-MD-SrcIP: 219.141.250.2 From: Li zeming To: akpm@linux-foundation.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=20kbuf?= Date: Mon, 15 Jan 2024 14:25:19 +0800 Message-Id: <20240115062519.31298-1-zeming@nfschina.com> X-Mailer: git-send-email 2.18.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 --- 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 1d8e47bed3f11..6fabf388bb8a8 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