| Message ID | 20260916093800.2005305-1-vulab@iscas.ac.cn |
|---|---|
| State | New |
| Headers | show
Return-Path: <linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4hlDWr4XnKz1xwy for <incoming@patchwork.ozlabs.org>; Wed, 16 Sep 2026 19:45:12 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hlDWr3qlHz2yjw for <incoming@patchwork.ozlabs.org>; Wed, 16 Sep 2026 19:45:12 +1000 (AEST) X-Original-To: linux-fsi@lists.ozlabs.org Delivered-To: linux-fsi@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789551911; cv=none; b=Gi3Re6D9t6nlWyJ+xHGnFfELc/sY+wG/8aey2Bek1ezSU85vQ7u9Vk8yntgbTRSkOxC8K8YXK9Ims+y+otSjxt7lfCEVuuG0n6ZLNNP4/hdx9XMIb0RA+8qHI35MkevYiAgEfZrWzSqJcPzuxlg0fiAT0SavQit1MuGPT3+G2iwmBeBboPFr5TQFycpZlDACCQQ3JSuqzNjG1k6/WUipq2HruKKCGUGKh+1jl1t1nganl+VepJXZe6bFADlpRKR74OATWBPte8BjtNTHVGo56l3CdCcNW4XDym2byEY8D0U1jSxZdo+eojJ9/1hZPPYXIpRz7AdftN9eAYhKFi70bg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789551911; c=relaxed/relaxed; bh=h/L8Te0g5FCsEcQ3CkNhf/7WZH2TI5rGGks+LxnqHKE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=DTaD2pky9u4fdOiSqAX/x1S3fz3W9RDIEMsRzuHyHWhr9Dz36v/FpLdT1S6pvuJBwFgr7kgsN1tpISe+FpBaG8A8C+TWBggHFV81xxDzElvPekyo7pxVU3vv2LjzjKcaDIT/bKe23tFcOF3dzU3c4MV3hi3PeiaLhEl0cnDBgAa8Z//nqEgUPnX7eQuiIgFzVeduWaRPy3OqOWYc720GT8RaFUVX9ZIkhWfB0X2RCNtyMZR23YE74P3m+K4YGchHQe+a2swWF2292oHhzF/C4YA5VG/F4FMhLy91GcIi2lovQecmo+aHT4GnPJuKUiI1+6LROJ8rRbBFd2huYU/fPQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass (client-ip=159.226.251.81; helo=cstnet.cn; envelope-from=vulab@iscas.ac.cn; receiver=lists.ozlabs.org) smtp.mailfrom=iscas.ac.cn Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=iscas.ac.cn (client-ip=159.226.251.81; helo=cstnet.cn; envelope-from=vulab@iscas.ac.cn; receiver=lists.ozlabs.org) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4hlDWp0qrSz2xYh for <linux-fsi@lists.ozlabs.org>; Wed, 16 Sep 2026 19:45:09 +1000 (AEST) Received: from dfae2b116770.home.arpa (unknown [36.110.52.2]) by APP-03 (Coremail) with SMTP id rQCowACXnz2UY6pqG4PgBw--.42121S2; Wed, 16 Sep 2026 17:38:28 +0800 (CST) From: Wentao Liang <vulab@iscas.ac.cn> To: eajames@linux.ibm.com Subject: [PATCH] fsi: i2cr: Fix of_node reference leak in i2cr_probe() Date: Wed, 16 Sep 2026 09:38:00 +0000 Message-Id: <20260916093800.2005305-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowACXnz2UY6pqG4PgBw--.42121S2 X-Coremail-Antispam: 1UD129KBjvdXoW7XrW5XF1UXw1kWry8CFW7Arb_yoWDAwbEka 4kWF97XrWUCF45Krn3Aayavw4q9F9rWa4xGF42ya1fW34Yyryjy3W3Zws8C3WUWFWxJr48 Jw1qkFn3urW7CjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbx8FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r126r1DMcIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_ JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14 v26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_ Cr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUHpB fUUUUU= X-Originating-IP: [36.110.52.2] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiBwQMA2qqQJWQ-QAAs0 X-Spam-Status: No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS autolearn=disabled version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org X-BeenThere: linux-fsi@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-fsi.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linux-fsi>, <mailto:linux-fsi-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linux-fsi/> List-Post: <mailto:linux-fsi@lists.ozlabs.org> List-Help: <mailto:linux-fsi-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linux-fsi>, <mailto:linux-fsi-request@lists.ozlabs.org?subject=subscribe> Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, ninad@linux.ibm.com, Wentao Liang <vulab@iscas.ac.cn>, linux-fsi@lists.ozlabs.org Errors-To: linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "linux-fsi" <linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
| Series |
fsi: i2cr: Fix of_node reference leak in i2cr_probe()
|
expand
|
diff --git a/drivers/fsi/fsi-master-i2cr.c b/drivers/fsi/fsi-master-i2cr.c index d36a4328ad73..31c9b3b70d92 100644 --- a/drivers/fsi/fsi-master-i2cr.c +++ b/drivers/fsi/fsi-master-i2cr.c @@ -280,8 +280,10 @@ static int i2cr_probe(struct i2c_client *client) i2cr->client = client; ret = fsi_master_register(&i2cr->master); - if (ret) + if (ret) { + of_node_put(i2cr->master.dev.of_node); return ret; + } i2c_set_clientdata(client, i2cr); return 0;
In i2cr_probe(), a reference to the device tree node is taken with of_node_get() and stored in master.dev.of_node. If fsi_master_register() fails, i2cr_release() never runs and the reference is leaked. Put the device node reference before returning on the error path. Fixes: 53e89e3e4490 ("fsi: Add IBM I2C Responder virtual FSI master") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang <vulab@iscas.ac.cn> --- drivers/fsi/fsi-master-i2cr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)