From owner-svn-src-all@freebsd.org Sat Feb 9 11:49:09 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0BF4614DF152; Sat, 9 Feb 2019 11:49:09 +0000 (UTC) (envelope-from marius@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) server-signature RSA-PSS (4096 bits) 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 A22428F1B4; Sat, 9 Feb 2019 11:49:08 +0000 (UTC) (envelope-from marius@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 6FCB434D; Sat, 9 Feb 2019 11:49:08 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x19Bn8l4091194; Sat, 9 Feb 2019 11:49:08 GMT (envelope-from marius@FreeBSD.org) Received: (from marius@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x19Bn8Lb091193; Sat, 9 Feb 2019 11:49:08 GMT (envelope-from marius@FreeBSD.org) Message-Id: <201902091149.x19Bn8Lb091193@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: marius set sender to marius@FreeBSD.org using -f From: Marius Strobl Date: Sat, 9 Feb 2019 11:49:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r343932 - stable/12/sys/net X-SVN-Group: stable-12 X-SVN-Commit-Author: marius X-SVN-Commit-Paths: stable/12/sys/net X-SVN-Commit-Revision: 343932 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: A22428F1B4 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.995,0]; NEURAL_HAM_SHORT(-0.94)[-0.943,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Sat, 09 Feb 2019 11:49:09 -0000 Author: marius Date: Sat Feb 9 11:49:07 2019 New Revision: 343932 URL: https://svnweb.freebsd.org/changeset/base/343932 Log: MFC: r343288 Fix various resource leaks that can occur in the error paths of iflib_device_register() and iflib_pseudo_register(). Reviewed by: shurd Differential Revision: https://reviews.freebsd.org/D18760 Modified: stable/12/sys/net/iflib.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/net/iflib.c ============================================================================== --- stable/12/sys/net/iflib.c Sat Feb 9 11:05:03 2019 (r343931) +++ stable/12/sys/net/iflib.c Sat Feb 9 11:49:07 2019 (r343932) @@ -4369,11 +4369,8 @@ iflib_device_register(device_t dev, void *sc, if_share ctx->ifc_softc = sc; if ((err = iflib_register(ctx)) != 0) { - if (ctx->ifc_flags & IFC_SC_ALLOCATED) - free(sc, M_IFLIB); - free(ctx, M_IFLIB); device_printf(dev, "iflib_register failed %d\n", err); - return (err); + goto fail_ctx_free; } iflib_add_device_sysctl_pre(ctx); @@ -4383,9 +4380,8 @@ iflib_device_register(device_t dev, void *sc, if_share iflib_reset_qvalues(ctx); CTX_LOCK(ctx); if ((err = IFDI_ATTACH_PRE(ctx)) != 0) { - CTX_UNLOCK(ctx); device_printf(dev, "IFDI_ATTACH_PRE failed %d\n", err); - return (err); + goto fail_unlock; } _iflib_pre_assert(scctx); ctx->ifc_txrx = *scctx->isc_txrx; @@ -4415,7 +4411,7 @@ iflib_device_register(device_t dev, void *sc, if_share /* round down instead? */ device_printf(dev, "# rx descriptors must be a power of 2\n"); err = EINVAL; - goto fail; + goto fail_iflib_detach; } } for (i = 0; i < sctx->isc_ntxqs; i++) { @@ -4423,7 +4419,7 @@ iflib_device_register(device_t dev, void *sc, if_share device_printf(dev, "# tx descriptors must be a power of 2"); err = EINVAL; - goto fail; + goto fail_iflib_detach; } } @@ -4492,7 +4488,7 @@ iflib_device_register(device_t dev, void *sc, if_share /* Get memory for the station queues */ if ((err = iflib_queues_alloc(ctx))) { device_printf(dev, "Unable to allocate queue memory\n"); - goto fail; + goto fail_intr_free; } if ((err = iflib_qset_structures_setup(ctx))) @@ -4511,7 +4507,7 @@ iflib_device_register(device_t dev, void *sc, if_share IFDI_INTR_DISABLE(ctx); if (msix > 1 && (err = IFDI_MSIX_INTR_ASSIGN(ctx, msix)) != 0) { device_printf(dev, "IFDI_MSIX_INTR_ASSIGN failed %d\n", err); - goto fail_intr_free; + goto fail_queues; } if (msix <= 1) { rid = 0; @@ -4521,7 +4517,7 @@ iflib_device_register(device_t dev, void *sc, if_share } if ((err = iflib_legacy_setup(ctx, ctx->isc_legacy_intr, ctx->ifc_softc, &rid, "irq0")) != 0) { device_printf(dev, "iflib_legacy_setup failed %d\n", err); - goto fail_intr_free; + goto fail_queues; } } @@ -4557,14 +4553,18 @@ iflib_device_register(device_t dev, void *sc, if_share fail_detach: ether_ifdetach(ctx->ifc_ifp); fail_intr_free: + iflib_free_intr_mem(ctx); fail_queues: iflib_tx_structures_free(ctx); iflib_rx_structures_free(ctx); -fail: - iflib_free_intr_mem(ctx); +fail_iflib_detach: IFDI_DETACH(ctx); +fail_unlock: CTX_UNLOCK(ctx); - +fail_ctx_free: + if (ctx->ifc_flags & IFC_SC_ALLOCATED) + free(ctx->ifc_softc, M_IFLIB); + free(ctx, M_IFLIB); return (err); } @@ -4593,9 +4593,7 @@ iflib_pseudo_register(device_t dev, if_shared_ctx_t sc if ((err = iflib_register(ctx)) != 0) { device_printf(dev, "%s: iflib_register failed %d\n", __func__, err); - free(sc, M_IFLIB); - free(ctx, M_IFLIB); - return (err); + goto fail_ctx_free; } iflib_add_device_sysctl_pre(ctx); @@ -4609,14 +4607,14 @@ iflib_pseudo_register(device_t dev, if_shared_ctx_t sc if ((err = IFDI_ATTACH_PRE(ctx)) != 0) { device_printf(dev, "IFDI_ATTACH_PRE failed %d\n", err); - return (err); + goto fail_ctx_free; } if (sctx->isc_flags & IFLIB_GEN_MAC) iflib_gen_mac(ctx); if ((err = IFDI_CLONEATTACH(ctx, clctx->cc_ifc, clctx->cc_name, clctx->cc_params)) != 0) { device_printf(dev, "IFDI_CLONEATTACH failed %d\n", err); - return (err); + goto fail_ctx_free; } ifmedia_add(&ctx->ifc_media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL); ifmedia_add(&ctx->ifc_media, IFM_ETHER | IFM_AUTO, 0, NULL); @@ -4674,7 +4672,7 @@ iflib_pseudo_register(device_t dev, if_shared_ctx_t sc /* round down instead? */ device_printf(dev, "# rx descriptors must be a power of 2\n"); err = EINVAL; - goto fail; + goto fail_iflib_detach; } } for (i = 0; i < sctx->isc_ntxqs; i++) { @@ -4682,7 +4680,7 @@ iflib_pseudo_register(device_t dev, if_shared_ctx_t sc device_printf(dev, "# tx descriptors must be a power of 2"); err = EINVAL; - goto fail; + goto fail_iflib_detach; } } @@ -4728,7 +4726,7 @@ iflib_pseudo_register(device_t dev, if_shared_ctx_t sc /* Get memory for the station queues */ if ((err = iflib_queues_alloc(ctx))) { device_printf(dev, "Unable to allocate queue memory\n"); - goto fail; + goto fail_iflib_detach; } if ((err = iflib_qset_structures_setup(ctx))) { @@ -4768,8 +4766,11 @@ fail_detach: fail_queues: iflib_tx_structures_free(ctx); iflib_rx_structures_free(ctx); -fail: +fail_iflib_detach: IFDI_DETACH(ctx); +fail_ctx_free: + free(ctx->ifc_softc, M_IFLIB); + free(ctx, M_IFLIB); return (err); }