From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44038 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750968AbdEIJpJ (ORCPT ); Tue, 9 May 2017 05:45:09 -0400 Subject: Patch "usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths" has been added to the 4.4-stable tree To: krzk@kernel.org, gregkh@linuxfoundation.org, javier@osg.samsung.com, stern@rowland.harvard.edu Cc: , From: Date: Tue, 09 May 2017 11:44:13 +0200 Message-ID: <1494323053193129@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths 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: usb-host-ehci-exynos-decrese-node-refcount-on-exynos_ehci_get_phy-error-paths.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 3f6026b1dcb3c8ee71198c485a72ac674c6890dd Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sat, 7 Jan 2017 10:41:40 +0200 Subject: usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths From: Krzysztof Kozlowski commit 3f6026b1dcb3c8ee71198c485a72ac674c6890dd upstream. Returning from for_each_available_child_of_node() loop requires cleaning up node refcount. Error paths lacked it so for example in case of deferred probe, the refcount of phy node was left increased. Fixes: 6d40500ac9b6 ("usb: ehci/ohci-exynos: Fix of_node_put() for child when getting PHYs") Signed-off-by: Krzysztof Kozlowski Acked-by: Alan Stern Reviewed-by: Javier Martinez Canillas Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-exynos.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -77,10 +77,12 @@ static int exynos_ehci_get_phy(struct de if (IS_ERR(phy)) { ret = PTR_ERR(phy); if (ret == -EPROBE_DEFER) { + of_node_put(child); return ret; } else if (ret != -ENOSYS && ret != -ENODEV) { dev_err(dev, "Error retrieving usb2 phy: %d\n", ret); + of_node_put(child); return ret; } } Patches currently in stable-queue which might be from krzk@kernel.org are queue-4.4/usb-host-ehci-exynos-decrese-node-refcount-on-exynos_ehci_get_phy-error-paths.patch queue-4.4/usb-host-ohci-exynos-decrese-node-refcount-on-exynos_ehci_get_phy-error-paths.patch