Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1111021ybi; Thu, 30 May 2019 11:45:22 -0700 (PDT) X-Google-Smtp-Source: APXvYqxICLjN3DcWZjtt7tLsngbv9ytX20YAExPivQS+A11ttU3DG3PQw1xvQvQwmS4+9sDVMM38 X-Received: by 2002:a17:902:b195:: with SMTP id s21mr5206045plr.16.1559241921973; Thu, 30 May 2019 11:45:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559241921; cv=none; d=google.com; s=arc-20160816; b=W2MbmB1e7e0xp+KB/Ec6gGj2sPdyw7j4VaVjN1I461W1+uHQoG7w2MUkS+Dzsv1T+B w74KwPf6kslhv0g4nlEuEwqs9/gepc6V+czlmDaqoEo2f61bEvik/goPU9FOU8x0KUZY Nk8AEvKpMBryS9+4UYw+CdzSKUmINa4DU0Hb5EAF5DO+AEeuj3t9WQ1yUHwRNse6R6O7 Yo9XQIMCLC2dYfcrXKU+7VUZBjawihx9LkNWunMlL1Q0V+m/+PZ8Fj0aDHCBaZmov4pY E8QAdIamvMre/PR7+wUigNTmAcv5y9t80Y3ax0CvMhKNJTDU3dYJlJ+X+Ry3QKii2JeH KORA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=vUie64/qC+90Uz/gKolRXnUiAy4nHqngEGJ4fSt7KR8=; b=a68IGvxxu3ZazNCDAumiiBFA6PaiIlRghnscyjytHDOgm0260yTuEm+fntxUhkRQSq Wt1GVh8zjyeqJx4FzOOUlbc97idXfVtY0Y+CCU7E3qYlh5KIgW6w5J//P7ZihD2LU9wn nVtiszrORaN/IAe6qNi9dGbKKCnaGPwicCbGonawlYuEbJvYuIJ1XhSlEYMAY232YIOK HXaH2ErxtMsZZ23RQtMf4TkAwigL7WmvQUZKa1ZsaH1SJJCDI1x5sihd7njockd2yhGv CdS1ZZcTXRE+T6qJDXo7iz99rFLlk2EHBX4TgJU+A5opsQSmGPbKjULNivdsmbBRAEbE lWFw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=DaZtLdpS; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b8si3702891ple.370.2019.05.30.11.45.03; Thu, 30 May 2019 11:45:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ziepe.ca header.s=google header.b=DaZtLdpS; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbfE3Snc (ORCPT + 99 others); Thu, 30 May 2019 14:43:32 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:39423 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726376AbfE3Snc (ORCPT ); Thu, 30 May 2019 14:43:32 -0400 Received: by mail-qk1-f195.google.com with SMTP id i125so4569188qkd.6 for ; Thu, 30 May 2019 11:43:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=vUie64/qC+90Uz/gKolRXnUiAy4nHqngEGJ4fSt7KR8=; b=DaZtLdpScPYOOF/BjxCxP3yGwR9TR5PeBbqHHquAFF79GiEXdykaOA1nAEk1QxqUYY 3KZGTVPojYgQlSQ5Gv3C+gId0iQBm7z0qKiQ8SJrtxHFqNDmmMQDiZ5lZWqWC0Jz4dtf Rc+k9fHE98G8sueQYP0tWzZGODkOO5GFgkeIJ5kQhjt1Jd/CKDSaOfs4erhVpNWMEKUQ OV8CPaUjCHIzblfU6Uuoj3XSHO3nSvjN0w3gqZPNT6fUVnOeUze7kqdzPmM3nn3A79+e ENs8NXSyuFFopnP+cct7CRx0SFtGRSkRqXk9OumLDpbJJ1p+2LBmFAMUN7RWFq1Cc9KE XQuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=vUie64/qC+90Uz/gKolRXnUiAy4nHqngEGJ4fSt7KR8=; b=AoY1jUzcm48AkBE0pcTLNQu7Ky/he9Gyk7sdqzgK/SDUDrSInQGsBoY+f2smIvhQvN VGy5w1bpHKUOQGmZXhHqdi0l6vCKlu9ylsQfDDBj5+u939Ow1tdAbWQ7BPMdB/q/Yd3Y HwS2eq2BbzdKaxoI5cuSSOqPpPtTq7ffKJxK579r0JQ9UWMW4GTVlnL0fyR1u/8avy0i VH1BntKRsCLG5eE12c7Rvq//N0ba/bJvNfMCHE1BmIYxrvf5224VJ4LIqm5MsjBVuUv4 py8vwAZrdHgQv09n1j6UjtJy934CourC0YcjZ/8VZ/uDRYYYPvm7KDtLyZKjGpJUjHbR HIVQ== X-Gm-Message-State: APjAAAVRTBe8U0RAp6gsS+GeU2bNoiLBjxBtVZFTFDeiusKftd0WVbxh Y1lgLSLOzCEBcq0Yn6fPMePbWg== X-Received: by 2002:a05:620a:12d9:: with SMTP id e25mr4647750qkl.279.1559241811722; Thu, 30 May 2019 11:43:31 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-55-100.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.55.100]) by smtp.gmail.com with ESMTPSA id p1sm307063qti.83.2019.05.30.11.43.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 May 2019 11:43:31 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1hWQ1S-0007kH-Up; Thu, 30 May 2019 15:43:30 -0300 Date: Thu, 30 May 2019 15:43:30 -0300 From: Jason Gunthorpe To: "Gustavo A. R. Silva" Cc: Mike Marciniszyn , Dennis Dalessandro , Doug Ledford , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH][next] IB/hfi1: Use struct_size() helper Message-ID: <20190530184330.GC29724@ziepe.ca> References: <20190529151528.GA24148@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190529151528.GA24148@embeddedor> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 29, 2019 at 10:15:28AM -0500, Gustavo A. R. Silva wrote: > Make use of the struct_size() helper instead of an open-coded version > in order to avoid any potential type mistakes, in particular in the > context in which this code is being used. > > So, replace the following form: > > sizeof(struct opa_port_status_rsp) + num_vls * sizeof(struct _vls_pctrs) > > with: > > struct_size(rsp, vls, num_vls) > > and so on... > > Also, notice that variable size is unnecessary, hence it is removed. > > This code was detected with the help of Coccinelle. > > Signed-off-by: Gustavo A. R. Silva > Reviewed-by: Dennis Dalessandro > --- > drivers/infiniband/hw/hfi1/mad.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) Applied to for-next, thanks Jason