From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5951E2116F6; Tue, 17 Mar 2026 17:13:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773767592; cv=none; b=uhHNQVxTDjdYaosUTqi4mwF37iMHxuXEGh9nrWon2LSjzLjmE589HeAgl+m2QmOrOYal1748kPlJKzp4Dm6CZvoEaKFZ+o9lnw1Djrvt3JOCSbiiZmwoGUuMD/KN3MjgDS7V8bUvLUGJ/5/uGkk6AQMUZ5zObvBTUitlbJZAgxE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773767592; c=relaxed/simple; bh=iibeBrn/3Jix+macebIUjbuAQkdSrUFJkeIiUojg/uE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uTSDTLcfPK4TTwDv/4vdzPhGZp/BWAtqCHySbIJaG2HbiJ7l4FHjFnM6A/70zLMAizDAlTQyRJ6bk7wtAgr5Q9ssJ/uf77xdBYszK5rXWedStGxyuAJbSQaeFAhuCHxvA7SLrCk9H5mO+Pe7FTgbB+PJeZCcfq9wyKGffv2ib0Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=xp8nzPPe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xp8nzPPe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFBFEC4CEF7; Tue, 17 Mar 2026 17:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773767592; bh=iibeBrn/3Jix+macebIUjbuAQkdSrUFJkeIiUojg/uE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xp8nzPPehQMJHD0Vu9nfxJRVq5OVCJXmmEYvZYum5bBZeTOK1pYUy3L44bf3+zxlQ 4Y3X+xylXoaYvrjKKMrJwLplff33Zj9YMzHmviw+8DpjyG7f3NAT1FwQ1HgX+FVYmb aCUQ8bMz1Km79FnPU/T8iRyqtOXbYARh5ehLNLSU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alexandre Courbot , Alice Ryhl , Andreas Hindborg , Miguel Ojeda Subject: [PATCH 6.18 119/333] rust: str: make NullTerminatedFormatter public Date: Tue, 17 Mar 2026 17:32:28 +0100 Message-ID: <20260317163003.780625088@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260317162959.345812316@linuxfoundation.org> References: <20260317162959.345812316@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alexandre Courbot commit 3ac88a9948792b092a4b11323e2abd1ecbe0cc68 upstream. If `CONFIG_BLOCK` is disabled, the following warnings are displayed during build: warning: struct `NullTerminatedFormatter` is never constructed --> ../rust/kernel/str.rs:667:19 | 667 | pub(crate) struct NullTerminatedFormatter<'a> { | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default warning: associated function `new` is never used --> ../rust/kernel/str.rs:673:19 | 671 | impl<'a> NullTerminatedFormatter<'a> { | ------------------------------------ associated function in this implementation 672 | /// Create a new [`Self`] instance. 673 | pub(crate) fn new(buffer: &'a mut [u8]) -> Option> { Fix them by making `NullTerminatedFormatter` public, as it could be useful for drivers anyway. Fixes: cdde7a1951ff ("rust: str: introduce `NullTerminatedFormatter`") Signed-off-by: Alexandre Courbot Reviewed-by: Alice Ryhl Reviewed-by: Andreas Hindborg Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20260224-nullterminatedformatter-v1-1-5bef7b9b3d4c@nvidia.com Signed-off-by: Miguel Ojeda Signed-off-by: Greg Kroah-Hartman --- rust/kernel/str.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -880,13 +880,13 @@ impl fmt::Write for Formatter<'_> { /// /// * The first byte of `buffer` is always zero. /// * The length of `buffer` is at least 1. -pub(crate) struct NullTerminatedFormatter<'a> { +pub struct NullTerminatedFormatter<'a> { buffer: &'a mut [u8], } impl<'a> NullTerminatedFormatter<'a> { /// Create a new [`Self`] instance. - pub(crate) fn new(buffer: &'a mut [u8]) -> Option> { + pub fn new(buffer: &'a mut [u8]) -> Option> { *(buffer.first_mut()?) = 0; // INVARIANT: