From owner-svn-src-all@freebsd.org Wed May 24 19:18:37 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 575D9D7CB9F; Wed, 24 May 2017 19:18:37 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 28F7711F9; Wed, 24 May 2017 19:18:37 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v4OJIa8o072656; Wed, 24 May 2017 19:18:36 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v4OJIaB7072655; Wed, 24 May 2017 19:18:36 GMT (envelope-from np@FreeBSD.org) Message-Id: <201705241918.v4OJIaB7072655@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Wed, 24 May 2017 19:18:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r318801 - stable/11/sys/ofed/drivers/infiniband/core X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 May 2017 19:18:37 -0000 Author: np Date: Wed May 24 19:18:36 2017 New Revision: 318801 URL: https://svnweb.freebsd.org/changeset/base/318801 Log: MFC r314131: Avoid NULL dereference in a couple of sysctl handlers in ibcore. iw_cxgbe sets ib_device->dma_device to NULL (since r311880). Sponsored by: Chelsio Communications Modified: stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c ============================================================================== --- stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c Wed May 24 18:54:21 2017 (r318800) +++ stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c Wed May 24 19:18:36 2017 (r318801) @@ -1225,7 +1225,7 @@ show_dev_device(struct device *device, s { struct ib_uverbs_device *dev = dev_get_drvdata(device); - if (!dev) + if (!dev || !dev->ib_dev->dma_device) return -ENODEV; return sprintf(buf, "0x%04x\n", @@ -1238,7 +1238,7 @@ show_dev_vendor(struct device *device, s { struct ib_uverbs_device *dev = dev_get_drvdata(device); - if (!dev) + if (!dev || !dev->ib_dev->dma_device) return -ENODEV; return sprintf(buf, "0x%04x\n",