From patchwork Tue Jun 9 21:24:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ayush Sawal X-Patchwork-Id: 1306302 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=chelsio.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49hNSG59nhz9sRR for ; Wed, 10 Jun 2020 07:25:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727002AbgFIVY7 (ORCPT ); Tue, 9 Jun 2020 17:24:59 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:44467 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725894AbgFIVY7 (ORCPT ); Tue, 9 Jun 2020 17:24:59 -0400 Received: from chumthang.blr.asicdesigners.com (chumthang.blr.asicdesigners.com [10.193.186.96]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id 059LOn5N030078; Tue, 9 Jun 2020 14:24:50 -0700 From: Ayush Sawal To: davem@davemloft.net, herbert@gondor.apana.org.au Cc: netdev@vger.kernel.org, manojmalviya@chelsio.com, Ayush Sawal Subject: [PATCH net-next 0/2] Fixing issues in dma mapping and driver removal Date: Wed, 10 Jun 2020 02:54:30 +0530 Message-Id: <20200609212432.2467-1-ayush.sawal@chelsio.com> X-Mailer: git-send-email 2.26.0.rc1.11.g30e9940 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Patch 1: This fixes the kernel panic which occurs due to the accessing of a zero length sg. Patch 2: Avoiding unregistering the algorithm if cra_refcnt is not 1. Ayush Sawal (2): Crypto/chcr: Calculate src and dst sg lengths separately for dma map Crypto/chcr: Checking cra_refcnt before unregistering the algorithms drivers/crypto/chelsio/chcr_algo.c | 81 ++++++++++++++++++++++-------- 1 file changed, 59 insertions(+), 22 deletions(-)