From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail177-1.suw61.mandrillapp.com ([198.2.177.1]:37017 "EHLO mail177-1.suw61.mandrillapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752620AbcCAWXe (ORCPT ); Tue, 1 Mar 2016 17:23:34 -0500 Received: from pmta06.mandrill.prod.suw01.rsglab.com (127.0.0.1) by mail177-1.suw61.mandrillapp.com id hqob6c22rtk0 for ; Tue, 1 Mar 2016 22:23:26 +0000 (envelope-from ) From: Subject: Patch "phy: core: fix wrong err handle for phy_power_on" has been added to the 4.4-stable tree To: , , , , Cc: , Message-Id: <1456871002196157@kroah.com> Date: Tue, 01 Mar 2016 22:23:26 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled phy: core: fix wrong err handle for phy_power_on to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: phy-core-fix-wrong-err-handle-for-phy_power_on.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b82fcabe212a11698fd4b3e604d2f81d929d22f6 Mon Sep 17 00:00:00 2001 From: Shawn Lin Date: Thu, 28 Jan 2016 16:14:18 +0800 Subject: phy: core: fix wrong err handle for phy_power_on From: Shawn Lin commit b82fcabe212a11698fd4b3e604d2f81d929d22f6 upstream. If phy_pm_runtime_get_sync failed but we already enable regulator, current code return directly without doing regulator_disable. This patch fix this problem and cleanup err handle of phy_power_on to be more readable. Fixes: 3be88125d85d ("phy: core: Support regulator ...") Cc: Roger Quadros Cc: Axel Lin Signed-off-by: Shawn Lin Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Greg Kroah-Hartman --- drivers/phy/phy-core.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -275,20 +275,21 @@ EXPORT_SYMBOL_GPL(phy_exit); int phy_power_on(struct phy *phy) { - int ret; + int ret = 0; if (!phy) - return 0; + goto out; if (phy->pwr) { ret = regulator_enable(phy->pwr); if (ret) - return ret; + goto out; } ret = phy_pm_runtime_get_sync(phy); if (ret < 0 && ret != -ENOTSUPP) - return ret; + goto err_pm_sync; + ret = 0; /* Override possible ret == -ENOTSUPP */ mutex_lock(&phy->mutex); @@ -296,19 +297,20 @@ int phy_power_on(struct phy *phy) ret = phy->ops->power_on(phy); if (ret < 0) { dev_err(&phy->dev, "phy poweron failed --> %d\n", ret); - goto out; + goto err_pwr_on; } } ++phy->power_count; mutex_unlock(&phy->mutex); return 0; -out: +err_pwr_on: mutex_unlock(&phy->mutex); phy_pm_runtime_put_sync(phy); +err_pm_sync: if (phy->pwr) regulator_disable(phy->pwr); - +out: return ret; } EXPORT_SYMBOL_GPL(phy_power_on); Patches currently in stable-queue which might be from shawn.lin@rock-chips.com are queue-4.4/phy-core-fix-wrong-err-handle-for-phy_power_on.patch