From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (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 8CF2683CC8; Sat, 17 Aug 2024 07:08:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723878515; cv=none; b=RtMyjWP/vkQUsKCmHbj+1Kwy/1CI7iIx6bsoJLGA6xwlCEOA9vRurHG7anafNY0c4F3A6rTSqR3QUxKpHGyoUEo0+cY2eC1E/69sdxsJvCyN4fjx/zKujYy02G+9iYm+CjPMQk+0VZO7cPGLPDuWzetlnhHyMdHFpDkY5jKj8+Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723878515; c=relaxed/simple; bh=p1TrJqnF6zBrjyF5BTD0cSL0hEmAVbn1rmjfhlXSPb4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Fo3npFC4P02rxDnZl2vTn8blnOxc6ESvQxMchda9DuPwlIoFMHYnUymbfV2p+ElumhhibpXxqI3Iod7o+L55Xow9EaIPK51UQsrzb1gDfKB3/MS0TlOZF1Fm8rbAY5RMixT7gJPOI8JtCYQ5er/lkIo9Z34o02Dv+pm1vLSJi8A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1sfDPZ-005IK4-0R; Sat, 17 Aug 2024 15:08:27 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Sat, 17 Aug 2024 15:08:26 +0800 Date: Sat, 17 Aug 2024 15:08:26 +0800 From: Herbert Xu To: "Gustavo A. R. Silva" Cc: Giovanni Cabiddu , "David S. Miller" , qat-linux@intel.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH][next] crypto: qat - Use static_assert() to check struct sizes Message-ID: References: Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Aug 08, 2024 at 04:05:26PM -0600, Gustavo A. R. Silva wrote: > Commit 140e4c85d540 ("crypto: qat - Avoid -Wflex-array-member-not-at-end > warnings") introduced tagged `struct qat_alg_buf_list_hdr`. We want to > ensure that when new members need to be added to the flexible structure, > they are always included within this tagged struct. > > So, we use `static_assert()` to ensure that the memory layout for > both the flexible structure and the tagged struct is the same after > any changes. > > Signed-off-by: Gustavo A. R. Silva > --- > drivers/crypto/intel/qat/qat_common/qat_bl.h | 2 ++ > 1 file changed, 2 insertions(+) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt