Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752705AbdCPOdY (ORCPT ); Thu, 16 Mar 2017 10:33:24 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:60360 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876AbdCPOdR (ORCPT ); Thu, 16 Mar 2017 10:33:17 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Qi Hou , Zhang Xiao , Peter Rosin Subject: [PATCH 4.9 20/44] i2c: add missing of_node_put in i2c_mux_del_adapters Date: Thu, 16 Mar 2017 23:29:45 +0900 Message-Id: <20170316142926.816667235@linuxfoundation.org> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170316142925.994282609@linuxfoundation.org> References: <20170316142925.994282609@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1165 Lines: 39 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Qi Hou commit 2e1e4949f9dfb053122785cd73540bb1e61f768b upstream. Refcount of of_node is increased with of_node_get() in i2c_mux_add_adapter(). It must be decreased with of_node_put() in i2c_mux_del_adapters(). Signed-off-by: Qi Hou Reviewed-by: Zhang Xiao Signed-off-by: Peter Rosin Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/i2c-mux.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -429,6 +429,7 @@ void i2c_mux_del_adapters(struct i2c_mux while (muxc->num_adapters) { struct i2c_adapter *adap = muxc->adapter[--muxc->num_adapters]; struct i2c_mux_priv *priv = adap->algo_data; + struct device_node *np = adap->dev.of_node; muxc->adapter[muxc->num_adapters] = NULL; @@ -438,6 +439,7 @@ void i2c_mux_del_adapters(struct i2c_mux sysfs_remove_link(&priv->adap.dev.kobj, "mux_device"); i2c_del_adapter(adap); + of_node_put(np); kfree(priv); } }