From owner-svn-src-all@freebsd.org Wed May 8 10:41:45 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 3DE9015A536A; Wed, 8 May 2019 10:41:45 +0000 (UTC) (envelope-from hselasky@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 DA12368107; Wed, 8 May 2019 10:41:44 +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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B12444A9F; Wed, 8 May 2019 10:41:44 +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 x48Afij0046912; Wed, 8 May 2019 10:41:44 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x48AfiGq046910; Wed, 8 May 2019 10:41:44 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201905081041.x48AfiGq046910@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Wed, 8 May 2019 10:41:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r347277 - head/sys/dev/mlx5/mlx5_en X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/dev/mlx5/mlx5_en X-SVN-Commit-Revision: 347277 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: DA12368107 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.98)[-0.980,0]; 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: Wed, 08 May 2019 10:41:45 -0000 Author: hselasky Date: Wed May 8 10:41:44 2019 New Revision: 347277 URL: https://svnweb.freebsd.org/changeset/base/347277 Log: Avoid leaking send queue mbufs during error recovery in mlx5en(4). MFC after: 3 days Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c head/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed May 8 10:41:21 2019 (r347276) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed May 8 10:41:44 2019 (r347277) @@ -1147,8 +1147,13 @@ mlx5e_free_sq_db(struct mlx5e_sq *sq) int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); int x; - for (x = 0; x != wq_sz; x++) + for (x = 0; x != wq_sz; x++) { + if (sq->mbuf[x].mbuf != NULL) { + bus_dmamap_unload(sq->dma_tag, sq->mbuf[x].dma_map); + m_freem(sq->mbuf[x].mbuf); + } bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); + } free(sq->mbuf, M_MLX5EN); } Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Wed May 8 10:41:21 2019 (r347276) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Wed May 8 10:41:44 2019 (r347277) @@ -537,7 +537,7 @@ mlx5e_poll_tx_cq(struct mlx5e_sq *sq, int budget) for (x = 0; x != sq->cev_factor; x++) { ci = sqcc & sq->wq.sz_m1; mb = sq->mbuf[ci].mbuf; - sq->mbuf[ci].mbuf = NULL; /* Safety clear */ + sq->mbuf[ci].mbuf = NULL; if (mb == NULL) { if (sq->mbuf[ci].num_bytes == 0) {