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 2238930C35C; Sat, 18 Apr 2026 19:24:09 +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=1776540249; cv=none; b=Io3qn6G3WkKwqGjIG3XpHEPF175vXqAbZa8CcPlvu/TWR0GMQXwGMjD7lQGQa/nbsK7o/tFVVqi6lPjyHtinUsIJfEvpJogEF6InjpFeue/NfGjkFVpb6fxnx7iOgfn7NrpEN9+mYVUS2mygWGlanKD07oX3XOme51WfMbXcpKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776540249; c=relaxed/simple; bh=DsZR9ORQr2xRMvmkTl1b+Qpd6GTPh8kidWL3zvzrYVo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E8NcDO3GYpe2DMiwVsXX0o23hdU5ib29urEEQccC3m6A2cQYPVduRv01l8BEMaMaJsuCPXgMvwx+saCIxcxp05BC0pi81sAk5ZKm1d5F/YeZW6K8+cxCQqLhvz28TUe30fbgqQF+gIAg2PUszWC/uB6FIPvYYpWz3XOc3da01yY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sF/vCHAZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sF/vCHAZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3C38C2BCB3; Sat, 18 Apr 2026 19:24:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776540249; bh=DsZR9ORQr2xRMvmkTl1b+Qpd6GTPh8kidWL3zvzrYVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sF/vCHAZkw4T6O5NdEcFBy7ZgCI0zbM0HGXoCyhUWzt4KjtJPpQwsiOugVWOZHcLr pmvwz3DnwccQM6TuiURREEwsdyxtQ2+5y+boEAAKMdf6IO5epe7ka5uc3jych8hYa/ xq3c8LXzJxeA8XhmydCzCBbm07fzHrW1ApciuVkV9Bkxldw7itJ9nD1NTKKqsHDnec LRQcFoFDiO5zbEa51yPVkQu2ilkAeUmcpNa99qLRndjlpq2P+zkX3RXKtig5Hmt3Yj 9zzFI//0bY9rpV0ddLPBbEL8nzKS0KWxMltT8rGI1WwGJ8TCY+5rlksFr0t4ZGltPm 93/oiNl4aHJpg== From: Eric Biggers To: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , "Jason A . Donenfeld" , Herbert Xu , linux-doc@vger.kernel.org, Jonathan Corbet , Mauro Carvalho Chehab , Randy Dunlap , Eric Biggers Subject: [PATCH v2 1/2] docs: kdoc: Expand 'at_least' when creating parameter list Date: Sat, 18 Apr 2026 12:21:37 -0700 Message-ID: <20260418192138.15556-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260418192138.15556-1-ebiggers@kernel.org> References: <20260418192138.15556-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit sphinx doesn't know that the kernel headers do: #define at_least static Do this replacement before declarations are passed to it. This prevents errors like the following from appearing once the lib/crypto/ kernel-doc is wired up to the sphinx build: linux/Documentation/crypto/libcrypto:128: ./include/crypto/sha2.h:773: WARNING: Error in declarator or parameters Error in declarator or parameters Invalid C declaration: Expected ']' in end of array operator. [error at 59] void sha512_final (struct sha512_ctx *ctx, u8 out[at_least SHA512_DIGEST_SIZE]) Acked-by: Jonathan Corbet Reviewed-by: Ard Biesheuvel Signed-off-by: Eric Biggers --- tools/lib/python/kdoc/kdoc_parser.py | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/lib/python/kdoc/kdoc_parser.py b/tools/lib/python/kdoc/kdoc_parser.py index 74af7ae47aa47..c3f966da533e0 100644 --- a/tools/lib/python/kdoc/kdoc_parser.py +++ b/tools/lib/python/kdoc/kdoc_parser.py @@ -437,10 +437,15 @@ class KernelDoc: for arg in args.split(splitter): # Ignore argument attributes arg = KernRe(r'\sPOS0?\s').sub(' ', arg) + # Replace '[at_least ' with '[static '. This allows sphinx to parse + # array parameter declarations like 'char A[at_least 4]', where + # 'at_least' is #defined to 'static' by the kernel headers. + arg = arg.replace('[at_least ', '[static ') + # Strip leading/trailing spaces arg = arg.strip() arg = KernRe(r'\s+').sub(' ', arg, count=1) if arg.startswith('#'): -- 2.53.0