From patchwork Sun Oct 20 05:27:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zijun Hu X-Patchwork-Id: 13842990 Received: from pv50p00im-hyfv10021501.me.com (pv50p00im-hyfv10021501.me.com [17.58.6.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5C5AC3B2BB for ; Sun, 20 Oct 2024 05:28:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=17.58.6.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729402123; cv=none; b=sQ8iCzEO2SpDe2B4B0tQ2XutuIHeArHCDjKwwKQXls+2iXvtyQDT/3NbJFXmzvVxKcGXQyNX08ezURJBqMfIQqUKmjp7k1N+xLc+0hz86Gn9i+3FOc6rhNnFbabB+irm+53nkD8gqaAJThYZVQ+4XtJ/Tiju/jQPcicBEFaNkJ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729402123; c=relaxed/simple; bh=ZOEJdZ+Y3uBV1dJVvv1OBBlfxG/5hZGvIhfygbRzcEs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lQPjku+vYjBiRYJkTPYtKj+l1vj7yawlh48mermZntVTl4OjVmBGp8CT2zCDRgCcWDl64o4EmOdqB48fmY37Y+7s4IvJENvrUnSeFlvA/yg2jH8UICs56VYOYM68U7w10gL0H7C4OixWxdpdIwm4EeD/O3vKxTh+1BPWOuVNXyo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com; spf=pass smtp.mailfrom=icloud.com; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b=agl/5G5a; arc=none smtp.client-ip=17.58.6.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="agl/5G5a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1729402121; bh=4UkJl6ESTHl0MKzkJU4NiOf/LCaIG4/FzrobNoV6pGo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To; b=agl/5G5aRiA/jFm9Z5d6jJMG/1kcv7KbHcP1dOJ30kvE9JiD6zhw22+qXm3HiR7ps Wy2Wh0ZdOeP2xGhQYTTsxqfDQrpBorcxcjs0mi1EzdW4uSEmwsE2pTIjOfb7T+jLmB tohHnrKZ6m0KxnHZO3hIUwK0ZLKmYY7/lDP9LKtc6h2EgpjeG61ZsxkmZTCU1l1RxO YBU7LTQT/G3D2VxNdDC/MXLKV2XLw/8RZDgeAbCF5csG6U87xZhT4sQCXD8U3S1U4E KI7UAvMi1Gn+yVFWW5RwGV3QwQMPbN6oAvOWKs2en5yJYJCBn3cGHM+8Ui/hpTt7i+ VdDEGYC/OvQwA== Received: from [192.168.1.26] (pv50p00im-dlb-asmtp-mailmevip.me.com [17.56.9.10]) by pv50p00im-hyfv10021501.me.com (Postfix) with ESMTPSA id 3E7BC2C0130; Sun, 20 Oct 2024 05:28:35 +0000 (UTC) From: Zijun Hu Date: Sun, 20 Oct 2024 13:27:48 +0800 Subject: [PATCH 3/6] phy: core: Fix API devm_phy_destroy() can not destroy the phy Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241020-phy_core_fix-v1-3-078062f7da71@quicinc.com> References: <20241020-phy_core_fix-v1-0-078062f7da71@quicinc.com> In-Reply-To: <20241020-phy_core_fix-v1-0-078062f7da71@quicinc.com> To: Vinod Koul , Kishon Vijay Abraham I , Felipe Balbi , Greg Kroah-Hartman , Rob Herring , Arnd Bergmann , Lee Jones Cc: Zijun Hu , stable@vger.kernel.org, linux-phy@lists.infradead.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Zijun Hu X-Mailer: b4 0.14.1 X-Proofpoint-ORIG-GUID: U-x97Lqmim6E_t_TfbzbHgSP6RIq63vt X-Proofpoint-GUID: U-x97Lqmim6E_t_TfbzbHgSP6RIq63vt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-20_02,2024-10-17_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 clxscore=1015 spamscore=0 malwarescore=0 phishscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2308100000 definitions=main-2410200032 X-Apple-Remote-Links: v=1;h=KCk=;charset=UTF-8 From: Zijun Hu For devm_phy_destroy(), its comment says it needs to invoke phy_destroy() to destroy the phy, but it does not do that actually, so it can not fully undo what the API devm_phy_create() does, that is wrong, fixed by using devres_release() instead of devres_destroy() within the API. Fixes: ff764963479a ("drivers: phy: add generic PHY framework") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu --- drivers/phy/phy-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index de07e1616b34..52ca590a58b9 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -1121,7 +1121,7 @@ void devm_phy_destroy(struct device *dev, struct phy *phy) { int r; - r = devres_destroy(dev, devm_phy_consume, devm_phy_match, phy); + r = devres_release(dev, devm_phy_consume, devm_phy_match, phy); dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); } EXPORT_SYMBOL_GPL(devm_phy_destroy);