From nobody Sun Sep 22 11:26:15 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C08DBC433EF for ; Wed, 15 Dec 2021 07:29:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240562AbhLOH3Y (ORCPT ); Wed, 15 Dec 2021 02:29:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240558AbhLOH3X (ORCPT ); Wed, 15 Dec 2021 02:29:23 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 200B6C061574 for ; Tue, 14 Dec 2021 23:29:23 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id p18so15889114wmq.5 for ; Tue, 14 Dec 2021 23:29:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aMZSPHzmKlp4nB0z4xKj0z3g/eSIybOBv9g3NZ7AxBc=; b=GztGmfJYV8tlywo/+a2VFYMkAVdKt7YfBdqaVivbNaR1/K0tqYK9zRBkHsraJk1yMG c03G1ZaZOgndjYVpAoBeOHtgim9A0rW+bXNvAHHw93auSDoSLXgdMoFE3CrHZlff5Avt A6iR+nzBbTxhu+8HuMMs4NJcv/aFnnsoG+yzPW9ezYPurXkDH0MN/GgD7/TpmSO507rI 4TPMMdnqvK2Iw2Sr0YjxHsUwZ3oaijXriaQHDLJ7ztwxBNvRddKNe2D176aOJFvu3uR1 Cr6MlTLq/VE6NI3MxAXCfNFd03OlsedQ+jaewFX+RP9rprU8QLP7lVD49bcEnNXxVGt9 aYlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=aMZSPHzmKlp4nB0z4xKj0z3g/eSIybOBv9g3NZ7AxBc=; b=KOLBQvhKFehK8u6E9EWDrk4DZT4h8noZu2GsdPmCWEfTlWlK1cKhLNBFNWTPBImiRM fiKa5iUhkzzdFuOhZB4PwCf0qvkw4BswZLovrfHWc+72zNNpef8WX25AmfQTtW2YTCps gy+jjdedXxvENbMF7UiOSyoPYkNYR3SkHJgK3o9rBOQaKcQVwy5uZojNlBg9pVRkF/B+ YWKEDVygCoVrqlKVSDv3Rh3VtQ/+Zcdc9kbaaUnwZDLkuaisZm6MzQadJoKYK2YFzgCN NkYVxvKcAkmen86lxkHjJ3FNX6wbK/aJvrXgWsBhiSiiYd7DGIf6cHsGi35sowvO4Jlu yFvA== X-Gm-Message-State: AOAM531HuimzAQO8XH2/DDvXXhnIh2Wd4L9pL0tIJ63NYW2+Ih1jPkC/ FyWTW3bQjJKZSg+AcJPa/oQ= X-Google-Smtp-Source: ABdhPJye3e8Fd3RuWitjlcsNICFnsTS5SmIxWwZuo312bTG8xiFg9RxZcyL3DnR9MqIFlnZ1jLC75A== X-Received: by 2002:a1c:6a0e:: with SMTP id f14mr3390565wmc.58.1639553361731; Tue, 14 Dec 2021 23:29:21 -0800 (PST) Received: from localhost.localdomain ([217.113.240.86]) by smtp.gmail.com with ESMTPSA id n4sm1204728wrc.1.2021.12.14.23.29.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 23:29:21 -0800 (PST) From: =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, ikjn@chromium.org, chun-jie.chen@mediatek.com, weiyi.lu@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= , Chen-Yu Tsai Subject: [PATCH v2] clk: mediatek: Fix memory leaks on probe Date: Wed, 15 Dec 2021 08:29:15 +0100 Message-Id: <20211215072915.8678-1-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Handle the error branches to free memory where required. Addresses-Coverity-ID: 1491825 ("Resource leak") Signed-off-by: Jos=C3=A9 Exp=C3=B3sito Reviewed-by: Chen-Yu Tsai --- v2: Add Reviewed-by tag --- drivers/clk/mediatek/clk-mt8192.c | 36 +++++++++++++++++++++++++------ 1 file changed, 30 insertions(+), 6 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-m= t8192.c index cbc7c6dbe0f4..79ddb3cc0b98 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -1236,9 +1236,17 @@ static int clk_mt8192_infra_probe(struct platform_de= vice *pdev) =20 r =3D mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), cl= k_data); if (r) - return r; + goto free_clk_data; + + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto free_clk_data; + + return r; =20 - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } =20 static int clk_mt8192_peri_probe(struct platform_device *pdev) @@ -1253,9 +1261,17 @@ static int clk_mt8192_peri_probe(struct platform_dev= ice *pdev) =20 r =3D mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks), clk_= data); if (r) - return r; + goto free_clk_data; + + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto free_clk_data; =20 - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + return r; + +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } =20 static int clk_mt8192_apmixed_probe(struct platform_device *pdev) @@ -1271,9 +1287,17 @@ static int clk_mt8192_apmixed_probe(struct platform_= device *pdev) mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); r =3D mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks)= , clk_data); if (r) - return r; + goto free_clk_data; =20 - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto free_clk_data; + + return r; + +free_clk_data: + mtk_free_clk_data(clk_data); + return r; } =20 static const struct of_device_id of_match_clk_mt8192[] =3D { --=20 2.25.1