From owner-svn-src-head@freebsd.org Sat Jul 18 12:43:12 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 35CBB368A76; Sat, 18 Jul 2020 12:43:12 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4B87280gGkz4Gb7; Sat, 18 Jul 2020 12:43:12 +0000 (UTC) (envelope-from kp@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EEB88AA6B; Sat, 18 Jul 2020 12:43:11 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 06IChBNm073127; Sat, 18 Jul 2020 12:43:11 GMT (envelope-from kp@FreeBSD.org) Received: (from kp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 06IChBTR073126; Sat, 18 Jul 2020 12:43:11 GMT (envelope-from kp@FreeBSD.org) Message-Id: <202007181243.06IChBTR073126@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kp set sender to kp@FreeBSD.org using -f From: Kristof Provost Date: Sat, 18 Jul 2020 12:43:11 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r363308 - head/sys/net X-SVN-Group: head X-SVN-Commit-Author: kp X-SVN-Commit-Paths: head/sys/net X-SVN-Commit-Revision: 363308 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Jul 2020 12:43:12 -0000 Author: kp Date: Sat Jul 18 12:43:11 2020 New Revision: 363308 URL: https://svnweb.freebsd.org/changeset/base/363308 Log: bridge: Don't sleep during epoch While it doesn't trigger INVARIANTS or WITNESS on head it does in stable/12. There's also no reason for it, as we can easily report the out of memory error to the caller (i.e. userspace). All of these can already fail. PR: 248046 MFC after: 3 days Modified: head/sys/net/if_bridge.c Modified: head/sys/net/if_bridge.c ============================================================================== --- head/sys/net/if_bridge.c Sat Jul 18 12:21:08 2020 (r363307) +++ head/sys/net/if_bridge.c Sat Jul 18 12:43:11 2020 (r363308) @@ -1393,9 +1393,9 @@ bridge_ioctl_gifs(struct bridge_softc *sc, void *arg) bifc->ifbic_len = buflen; return (0); } - BRIDGE_UNLOCK(sc); - outbuf = malloc(buflen, M_TEMP, M_WAITOK | M_ZERO); - BRIDGE_LOCK(sc); + outbuf = malloc(buflen, M_TEMP, M_NOWAIT | M_ZERO); + if (outbuf == NULL) + return (ENOMEM); count = 0; buf = outbuf; @@ -1455,9 +1455,9 @@ bridge_ioctl_rts(struct bridge_softc *sc, void *arg) count++; buflen = sizeof(bareq) * count; - BRIDGE_UNLOCK(sc); - outbuf = malloc(buflen, M_TEMP, M_WAITOK | M_ZERO); - BRIDGE_LOCK(sc); + outbuf = malloc(buflen, M_TEMP, M_NOWAIT | M_ZERO); + if (outbuf == NULL) + return (ENOMEM); count = 0; buf = outbuf; @@ -1783,9 +1783,9 @@ bridge_ioctl_gifsstp(struct bridge_softc *sc, void *ar return (0); } - BRIDGE_UNLOCK(sc); - outbuf = malloc(buflen, M_TEMP, M_WAITOK | M_ZERO); - BRIDGE_LOCK(sc); + outbuf = malloc(buflen, M_TEMP, M_NOWAIT | M_ZERO); + if (outbuf == NULL) + return (ENOMEM); count = 0; buf = outbuf;