From owner-svn-src-stable@freebsd.org Mon Dec 4 09:27:37 2017 Return-Path: Delivered-To: svn-src-stable@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 67DC4DF58C7; Mon, 4 Dec 2017 09:27:37 +0000 (UTC) (envelope-from hselasky@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 313BE7F4E5; Mon, 4 Dec 2017 09:27:37 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id vB49Ra1H081776; Mon, 4 Dec 2017 09:27:36 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id vB49RatL081775; Mon, 4 Dec 2017 09:27:36 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201712040927.vB49RatL081775@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 4 Dec 2017 09:27:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r326512 - stable/10/sys/net X-SVN-Group: stable-10 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/10/sys/net X-SVN-Commit-Revision: 326512 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Dec 2017 09:27:37 -0000 Author: hselasky Date: Mon Dec 4 09:27:36 2017 New Revision: 326512 URL: https://svnweb.freebsd.org/changeset/base/326512 Log: MFC r326392: Properly define the VLAN_XXX() function macros to avoid miscompilation when used inside "if" statements comparing with another value. Detailed explanation: "if (a ? b : c != 0)" is not the same like "if ((a ? b : c) != 0)" which is the expected behaviour of a function macro. Affects: toecore, linuxkpi and ibcore. Reviewed by: kib Sponsored by: Mellanox Technologies Modified: stable/10/sys/net/if_vlan_var.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/net/if_vlan_var.h ============================================================================== --- stable/10/sys/net/if_vlan_var.h Mon Dec 4 09:26:12 2017 (r326511) +++ stable/10/sys/net/if_vlan_var.h Mon Dec 4 09:27:36 2017 (r326512) @@ -132,16 +132,16 @@ struct vlanreq { } while (0) #define VLAN_TRUNKDEV(_ifp) \ - (_ifp)->if_type == IFT_L2VLAN ? (*vlan_trunkdev_p)((_ifp)) : NULL + ((_ifp)->if_type == IFT_L2VLAN ? (*vlan_trunkdev_p)((_ifp)) : NULL) #define VLAN_TAG(_ifp, _vid) \ - (_ifp)->if_type == IFT_L2VLAN ? (*vlan_tag_p)((_ifp), (_vid)) : EINVAL + ((_ifp)->if_type == IFT_L2VLAN ? (*vlan_tag_p)((_ifp), (_vid)) : EINVAL) #define VLAN_COOKIE(_ifp) \ - (_ifp)->if_type == IFT_L2VLAN ? (*vlan_cookie_p)((_ifp)) : NULL + ((_ifp)->if_type == IFT_L2VLAN ? (*vlan_cookie_p)((_ifp)) : NULL) #define VLAN_SETCOOKIE(_ifp, _cookie) \ - (_ifp)->if_type == IFT_L2VLAN ? \ - (*vlan_setcookie_p)((_ifp), (_cookie)) : EINVAL + ((_ifp)->if_type == IFT_L2VLAN ? \ + (*vlan_setcookie_p)((_ifp), (_cookie)) : EINVAL) #define VLAN_DEVAT(_ifp, _vid) \ - (_ifp)->if_vlantrunk != NULL ? (*vlan_devat_p)((_ifp), (_vid)) : NULL + ((_ifp)->if_vlantrunk != NULL ? (*vlan_devat_p)((_ifp), (_vid)) : NULL) extern void (*vlan_trunk_cap_p)(struct ifnet *); extern struct ifnet *(*vlan_trunkdev_p)(struct ifnet *);