From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E291CA9EBD for ; Sun, 27 Oct 2019 19:24:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71B4520717 for ; Sun, 27 Oct 2019 19:24:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="faXS+qqe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727341AbfJ0TYe (ORCPT ); Sun, 27 Oct 2019 15:24:34 -0400 Received: from mail-io1-f65.google.com ([209.85.166.65]:36881 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726985AbfJ0TYd (ORCPT ); Sun, 27 Oct 2019 15:24:33 -0400 Received: by mail-io1-f65.google.com with SMTP id 1so8082328iou.4 for ; Sun, 27 Oct 2019 12:24:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=4ofksQ7AcOmTu9H2NgEjkUZ7Z46uH3mw4srj1dXfSSs=; b=faXS+qqeDe638CZeqsshIVZhWuSZTrK2yiAsn9fDoQ0Q/sibPkrm78pc6vUC6HQgAU LNDbTOCIpw4BdC3vKaP3/3iwt55G0iAge2g2TFSSpPTdZqxe3y4XSPSjcsupx3teh+XV Do0nMYDHXPXh2NXH3JMUEatk0KuRo7RHCs7sQZJDBss7aNFDB1FGMbeOP9+TR5GWwOlA O4FnvjHrc3mmAkeKVCZWjQ1m0roQQ4kAT4MSSFWGKo6GPKbFVR0szViTvNDzpbBf63ll Ey6VYZg8t+/MI7WNUerX2acpc6tx6yI7EFhECU788PS4Ajed+2OIY/TW/8U2jpo8AZmb 6hJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=4ofksQ7AcOmTu9H2NgEjkUZ7Z46uH3mw4srj1dXfSSs=; b=AVhujOqHnXaB0mz5JRzwJf4gBDpyDiTWnD0lquNWdOuT6e5W+DiqdXiTkp+umZdSIu NKRAm6CRSXxUSjk38FvyafK++KNtcDHVg4URhWolklRT3weFwXaWf+++FIDMc/VTsz/R CCNrZ1UsnN+BzBfAPtf8PAP26+iNfKXyFFRqo3kP82NdcsHclqmXm6dBzEQc55wbwBVS iTmrQ5MAwBsw+G8uEI4jY3KUJc0QDDN71PfDFQLSDk9X2XE0OTitKGgOmDY9IzkIOoK0 nUeKnTarO0n5BksX7F/6sIXI/BvW9sghWetazsdEpHy1prmGvE/U1V7IC/uMvk07aa84 jfDw== X-Gm-Message-State: APjAAAXKuN9LEWaw1JWTsq/5DAqONJWeKotyTFijipKFYlKcNIE6mD3b 7qQJ5UOEH5qwXZgeHpr72g0= X-Google-Smtp-Source: APXvYqzzOQqltc5n2sD1ambBu/V7rbpCeqXdQqBw8B8OavUNbezXePdT4X4kwQUm7qT5h6NQbGglHw== X-Received: by 2002:a6b:7942:: with SMTP id j2mr14638510iop.161.1572204271276; Sun, 27 Oct 2019 12:24:31 -0700 (PDT) Received: from cs-dulles.cs.umn.edu (cs-dulles.cs.umn.edu. [128.101.35.54]) by smtp.googlemail.com with ESMTPSA id a6sm1212642ill.87.2019.10.27.12.24.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Oct 2019 12:24:30 -0700 (PDT) From: Navid Emamdoost Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu, Navid Emamdoost , Jaroslav Kysela , Takashi Iwai , Thomas Gleixner , Allison Randal , Tim Blechmann , Hariprasad Kelam , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ALSA: lx6464es: Fix memory leaks in snd_lx6464es_create Date: Sun, 27 Oct 2019 14:24:13 -0500 Message-Id: <20191027192415.32743-1-navid.emamdoost@gmail.com> X-Mailer: git-send-email 2.17.1 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In the implementation of snd_lx6464es_create() it there are memory leaks when error happens. Go to error path if any of these calls fail: lx_init_dsp(), lx_pcm_create(), lx_proc_create(), snd_ctl_add(). Fixes: 02bec4904508 ("ALSA: lx6464es - driver for the digigram lx6464es interface") Signed-off-by: Navid Emamdoost --- sound/pci/lx6464es/lx6464es.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index fe10714380f2..7c6e8f4ef826 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -1020,25 +1020,26 @@ static int snd_lx6464es_create(struct snd_card *card, err = lx_init_dsp(chip); if (err < 0) { dev_err(card->dev, "error during DSP initialization\n"); - return err; + goto cleanup; } err = lx_pcm_create(chip); if (err < 0) - return err; + goto cleanup; err = lx_proc_create(card, chip); if (err < 0) - return err; + goto cleanup; err = snd_ctl_add(card, snd_ctl_new1(&lx_control_playback_switch, chip)); if (err < 0) - return err; + goto cleanup; *rchip = chip; return 0; +cleanup: device_new_failed: free_irq(pci->irq, chip); -- 2.17.1