From nobody Fri Sep 25 02:43:47 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (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 4E7AC2EEE83; Thu, 17 Sep 2026 12:52:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789649577; cv=none; b=T/GND6CBIO1XY1dsoJ75bSfKn46oR84Uox6OfX+AOn6mIqAMpLRta3LEGeOVFv4akzB38nKk/6daXuf1IComNxUk+DYiqdY22BCpf+rHnizPcBBLtMuTkQo2hZ8fuqIElAZaGJX2iqaxZl3Eie+rATx8KF6THo8YjL7pZzxBATc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789649577; c=relaxed/simple; bh=cUUcSkpLQfkqTIXsfKOqlPC6VTrxEGX1glFEmPP+NRo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=HJaei8zeCRd6RngIuP2qJNbkJeHbCbTnOhPj96F5ZYkeUgjUNYtQbvdM8x6Czvul5YEqJVH5x6jKlZorTQzXrRLuZHQWAGI4NXxlynWeXXxGt/zvaXM3PlDBZsJnpNBP8w+WWVu65ZdkXns7iazHteuQosZOL7jd3nAbYwZr6X8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from dfae2b116770.home.arpa (unknown [36.110.52.2]) by APP-05 (Coremail) with SMTP id zQCowAB3pkCW4qtqsOaACA--.3033S2; Thu, 17 Sep 2026 20:52:39 +0800 (CST) From: Wentao Liang To: devicetree@vger.kernel.org Cc: f.fainelli@gmail.com, frowand.list@gmail.com, jim2101024@gmail.com, linux-kernel@vger.kernel.org, robh@kernel.org, saravanak@kernel.org, Wentao Liang , stable@vger.kernel.org Subject: [PATCH] of: unittest: Fix np reference leak in of_unittest_dma_ranges_one() Date: Thu, 17 Sep 2026 12:52:38 +0000 Message-Id: <20260917125238.2152144-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 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: zQCowAB3pkCW4qtqsOaACA--.3033S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Jr15Xr4fWr1ftF15JF4UCFg_yoW3uFb_Ga 4DZr93Wr18CF1Uu34fJFZ3ZF92y3WUWrW8XrnIyanakrWjvF1jgr1Y9r95Ja45Z3yY9F9F yrs8ur18twsFgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbqkYjsxI4VWDJwAYFVCjjxCrM7CY07I20VC2zVCF04k26cxKx2IY s7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4 kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_ Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26r xl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbV WUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VAI37AI020EjII2zVCS5cI20VAGYxC7MxkF 7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxAIw28IcVCjz48v1sIEY20_Gr43Wr 1UJr1l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_Jrv_JF1lx2IqxVAqx4xG 67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E 14v26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr 1j6F4UJwCI42IY6I8E87Iv6xkF7I0E14v26rxl6s0DYxBIdaVFxhVjvjDU0xZFpf9x07j8 jjgUUUUU= X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwINA2qrrRmjJQAAs4 Content-Type: text/plain; charset="utf-8" When the bogus device allocation fails the function returns early and never drops the reference obtained from of_find_node_by_path(). Add the missing of_node_put() so the node reference is not leaked. Fixes: a8d61a9112ad ("of: unittest: fix warning on PowerPC frame size warni= ng") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang --- drivers/of/unittest.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index d1a88a043300..226debdaa5c1 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1141,6 +1141,7 @@ static void __init of_unittest_dma_ranges_one(const c= har *path, if (!dev_bogus) { unittest(0, "kzalloc() failed\n"); kfree(map); + of_node_put(np); return; } =20 --=20 2.34.1