From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46118 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751249AbdAQQOO (ORCPT ); Tue, 17 Jan 2017 11:14:14 -0500 Subject: Patch "powerpc/ibmebus: Fix further device reference leaks" has been added to the 4.9-stable tree To: johan@kernel.org, gregkh@linuxfoundation.org, mpe@ellerman.id.au Cc: , From: Date: Tue, 17 Jan 2017 17:13:30 +0100 Message-ID: <1484669610100170@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 powerpc/ibmebus: Fix further device reference leaks to the 4.9-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: powerpc-ibmebus-fix-further-device-reference-leaks.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 815a7141c4d1b11610dccb7fcbb38633759824f2 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Tue, 1 Nov 2016 16:26:01 +0100 Subject: powerpc/ibmebus: Fix further device reference leaks From: Johan Hovold commit 815a7141c4d1b11610dccb7fcbb38633759824f2 upstream. Make sure to drop any reference taken by bus_find_device() when creating devices during init and driver registration. Fixes: 55347cc9962f ("[POWERPC] ibmebus: Add device creation and bus probing based on of_device") Signed-off-by: Johan Hovold Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/ibmebus.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -180,6 +180,7 @@ static int ibmebus_create_device(struct static int ibmebus_create_devices(const struct of_device_id *matches) { struct device_node *root, *child; + struct device *dev; int ret = 0; root = of_find_node_by_path("/"); @@ -188,9 +189,12 @@ static int ibmebus_create_devices(const if (!of_match_node(matches, child)) continue; - if (bus_find_device(&ibmebus_bus_type, NULL, child, - ibmebus_match_node)) + dev = bus_find_device(&ibmebus_bus_type, NULL, child, + ibmebus_match_node); + if (dev) { + put_device(dev); continue; + } ret = ibmebus_create_device(child); if (ret) { Patches currently in stable-queue which might be from johan@kernel.org are queue-4.9/usb-serial-ch341-fix-modem-control-and-b0-handling.patch queue-4.9/powerpc-ibmebus-fix-further-device-reference-leaks.patch queue-4.9/usb-serial-ch341-fix-control-message-error-handling.patch queue-4.9/usb-serial-ch341-fix-open-and-resume-after-b0.patch queue-4.9/usb-serial-ch341-fix-open-error-handling.patch queue-4.9/usb-serial-ch341-fix-initial-modem-control-state.patch queue-4.9/bus-vexpress-config-fix-device-reference-leak.patch queue-4.9/powerpc-ibmebus-fix-device-reference-leaks-in-sysfs-interface.patch queue-4.9/usb-serial-kl5kusb105-fix-line-state-error-handling.patch queue-4.9/usb-serial-ch341-fix-resume-after-reset.patch