From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 56BA5280CFB; Mon, 13 Apr 2026 16:34:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776098084; cv=none; b=c7lEIoqw4rf52h+am/WJ44lGrkrBDKDZLZg9aLoM2+IfH+i36kTK/e1cb8GxVWMDn4hGM4MT6SUQjCyL5qLvgkPWp7TVW+8ap9IFqdyx+PuCXnWF9OPKtvwRUOfNDMXtBYYNUQyhONETjlu/QKq451ol3nBsRs9GqkOMQvWWh2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776098084; c=relaxed/simple; bh=Y9ie98FYiHacl2VCSErzM7/QvVmXQeZlFeelpA53P+w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XNsAgKmPi92G6Xjp4q5XPIR9c6o4ztlIgOxhMDpElqgaCd9Xjm1r6fKOrJEkLu8MJpF4u9ZqA4kwOO1a/SbFDI9Bit/smbrzSH98xsgUhGkmvCqxIoWsaZOB/KApQD955adH8gbtHXralZSstUwWNrX0/r+zeUaOvJNF6J0z0+4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KfDIyN0I; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="KfDIyN0I" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C8E64C2BCAF; Mon, 13 Apr 2026 16:34:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776098084; bh=Y9ie98FYiHacl2VCSErzM7/QvVmXQeZlFeelpA53P+w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KfDIyN0IcZI/Qo4ShBls+CUhyMlUKoSatn+evE0R/IsCgvNBUwp+jCm9GCwAmA160 waP1LvaQeMpPRCu5/7KYXb31mJzHWKoIa9+D23+JZJeYCzHahNkLKb986ID3/7N/oe DTt67B/zQpq6TQsqBC+0ab5TeUjkIP58G4lEzm9Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vladimir Oltean , Felix Gu , Vinod Koul , Sasha Levin Subject: [PATCH 5.15 387/570] phy: ti: j721e-wiz: Fix device node reference leak in wiz_get_lane_phy_types() Date: Mon, 13 Apr 2026 17:58:38 +0200 Message-ID: <20260413155844.973864654@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413155830.386096114@linuxfoundation.org> References: <20260413155830.386096114@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Gu [ Upstream commit 584b457f4166293bdfa50f930228e9fb91a38392 ] The serdes device_node is obtained using of_get_child_by_name(), which increments the reference count. However, it is never put, leading to a reference leak. Add the missing of_node_put() calls to ensure the reference count is properly balanced. Fixes: 7ae14cf581f2 ("phy: ti: j721e-wiz: Implement DisplayPort mode to the wiz driver") Suggested-by: Vladimir Oltean Signed-off-by: Felix Gu Reviewed-by: Vladimir Oltean Link: https://patch.msgid.link/20260212-wiz-v2-1-6e8bd4cc7a4a@gmail.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/phy/ti/phy-j721e-wiz.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index 8963fbf7aa73b..a3908a579115c 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -1116,6 +1116,7 @@ static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz) dev_err(dev, "%s: Reading \"reg\" from \"%s\" failed: %d\n", __func__, subnode->name, ret); + of_node_put(serdes); return ret; } of_property_read_u32(subnode, "cdns,num-lanes", &num_lanes); @@ -1128,6 +1129,7 @@ static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz) wiz->lane_phy_type[i] = phy_type; } + of_node_put(serdes); return 0; } -- 2.53.0