From nobody Mon Feb 9 08:36:16 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 708B82BDC0F; Thu, 15 Jan 2026 05:05:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768453558; cv=none; b=GHMOO16878uUvD4jNdR+J0HlxFijBlziZ5TVf4dO+bE2xNwH6b94lLprjZiRCvBy1Ld8OI9YQoImbUAGQUaUhNM0Ib+V8NeMsJRdn3zR5EfxRakJxBRrm5ciR+Y7J8ZdRalKsHaKnyZZUQSVVwD01Ayy/l7Qi0Lo3GVgqNfDPMQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768453558; c=relaxed/simple; bh=d77tHTc3fk0qGUyz0068F1TL8hjdnu+aT1wttK3C+4M=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=NNqz/+N5RFLYozESaKmbO1QeNRtIBzrpLMcwsZAlcN+OuVi4h7nMiwX9RuqiDzbCzF/C86/GWRNyYyVI+G3/WhBYoB8yHhZuDqoxUkseqx5cIBBWA/5PtzukUO399WvGmPs+hfdTjD1Yedak8WV4V15WVFqjhQQQZR1ORploLb8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.223]) by APP-01 (Coremail) with SMTP id qwCowABXAGyndWhpAOfBBA--.359S2; Thu, 15 Jan 2026 13:05:43 +0800 (CST) From: Haoxiang Li To: pdeschrijver@nvidia.com, pgaikwad@nvidia.com, mturquette@baylibre.com, sboyd@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, mperttunen@nvidia.com, tomeu@tomeuvizoso.net Cc: linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] clk: tegra: tegra124-emc: Fix potential memory leak in tegra124_clk_register_emc() Date: Thu, 15 Jan 2026 13:05:42 +0800 Message-Id: <20260115050542.647890-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowABXAGyndWhpAOfBBA--.359S2 X-Coremail-Antispam: 1UD129KBjvdXoW7JF45Zr1Dury8Cw4kJw1DZFb_yoWfZFgEvr 4Y9rn7Xa4rGr1akF15Jr1fZryFvFn8urs2vFWFkF43K348Zr48JryrZrZYkw17WayDuryU W3Wvq398G3sIvjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb3xFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxa n2IY04v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4 AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE 17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMI IF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4l IxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvf C2KfnxnUUI43ZEXa7VU13ku3UUUUU== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiDAUIE2loPMWt1wACsS Content-Type: text/plain; charset="utf-8" If clk_register() fails, call kfree to release "tegra". Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Reviewed-by: Brian Masney --- drivers/clk/tegra/clk-tegra124-emc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-tegra124-emc.c b/drivers/clk/tegra/clk-t= egra124-emc.c index 2a6db0434281..0f6fb776b229 100644 --- a/drivers/clk/tegra/clk-tegra124-emc.c +++ b/drivers/clk/tegra/clk-tegra124-emc.c @@ -538,8 +538,10 @@ struct clk *tegra124_clk_register_emc(void __iomem *ba= se, struct device_node *np tegra->hw.init =3D &init; =20 clk =3D clk_register(NULL, &tegra->hw); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + kfree(tegra); return clk; + } =20 tegra->prev_parent =3D clk_hw_get_parent_by_index( &tegra->hw, emc_get_parent(&tegra->hw))->clk; --=20 2.25.1