From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EC69311C16; Tue, 16 Dec 2025 03:54:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765857295; cv=none; b=fgR5xVkSv/i4FCHKlsrzppBTKoFVzJOjePUEK5eAGRI1Kx8X0yTQBswDHvqXxACmdnq09hYYQ7pEPOVeurFQO0F7VJrZ/P7asp31zbnbDXzk9omryuORGlWOgnZ90Ll4eISnOova4vIs+IB50XOElVRBvU8zK1cie2HnuJgO7/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765857295; c=relaxed/simple; bh=nTHKXw8UwcLMJ53XI29POh8UPZpmRIfzCZ6jAwlP48s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iup+E23RsDKNeteoPyRRgC7ZxPvnT4loKhDJiD1RfMaiKONRqaAkJRSSRcrNLkN17utMQZ6nKvXa29rm8kbOWuiFGmBCF7uVIundzj5hlub9R0NFTB3TBqqp/aHSePNd5OHAR1EYlil8V404ChHUIwuHl/Ft6GM1FRCUBePcF/Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=O2v3psPZ; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="O2v3psPZ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=FD17jUCcWuTCEQI03eM0GnSRloJ9zIEZc4eT9v4ubz4=; b=O2v3psPZo0G07tMTjss+1fCOSD exDzuUUagV6b2tu/ODP3mdnd3Xcvxn0MLzK6cL95GUx+JYZRJXNbbZr5pjISyz+JeY1teEZisv36A RZhAJdNMqjxk2z55ycPcbE//54iL/f8eiMgy90gkHDGd4IAEi9sa3kF8ZoNJIOhC+vrxzy6ft3R9Y Ei4I85bqw3R+OC2B/8qfg02WAMhxYMhbKjmcrtIKxMLBinONTNqk+8pe3+dTtcD154VS1ZdqaLuXZ KbM568By4EOxNdriy7xtRUnKocOmUqVMwwBfSS3fH0rilha7BCx8RqyobnI3qrvNh23NFHGGGaftC AGXohAqg==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.99 #2 (Red Hat Linux)) id 1vVM9k-0000000GwN0-0rbQ; Tue, 16 Dec 2025 03:55:24 +0000 From: Al Viro To: linux-fsdevel@vger.kernel.org Cc: torvalds@linux-foundation.org, brauner@kernel.org, jack@suse.cz, mjguzik@gmail.com, paul@paul-moore.com, axboe@kernel.dk, audit@vger.kernel.org, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 51/59] move_mount(2): switch to CLASS(filename_maybe_null) Date: Tue, 16 Dec 2025 03:55:10 +0000 Message-ID: <20251216035518.4037331-52-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251216035518.4037331-1-viro@zeniv.linux.org.uk> References: <20251216035518.4037331-1-viro@zeniv.linux.org.uk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Al Viro Signed-off-by: Al Viro --- fs/namespace.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index 888df8ee43bc..612757bd166a 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -4402,8 +4402,6 @@ SYSCALL_DEFINE5(move_mount, { struct path to_path __free(path_put) = {}; struct path from_path __free(path_put) = {}; - struct filename *to_name __free(putname) = NULL; - struct filename *from_name __free(putname) = NULL; unsigned int lflags, uflags; enum mnt_tree_flags_t mflags = 0; int ret = 0; @@ -4425,7 +4423,7 @@ SYSCALL_DEFINE5(move_mount, if (flags & MOVE_MOUNT_T_EMPTY_PATH) uflags = AT_EMPTY_PATH; - to_name = getname_maybe_null(to_pathname, uflags); + CLASS(filename_maybe_null,to_name)(to_pathname, uflags); if (!to_name && to_dfd >= 0) { CLASS(fd_raw, f_to)(to_dfd); if (fd_empty(f_to)) @@ -4448,7 +4446,7 @@ SYSCALL_DEFINE5(move_mount, if (flags & MOVE_MOUNT_F_EMPTY_PATH) uflags = AT_EMPTY_PATH; - from_name = getname_maybe_null(from_pathname, uflags); + CLASS(filename_maybe_null,from_name)(from_pathname, uflags); if (!from_name && from_dfd >= 0) { CLASS(fd_raw, f_from)(from_dfd); if (fd_empty(f_from)) -- 2.47.3