From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:38790 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752078AbdGCH6R (ORCPT ); Mon, 3 Jul 2017 03:58:17 -0400 Subject: Patch "x86/intel_rdt: Fix memory leak on mount failure" has been added to the 4.11-stable tree To: vikas.shivappa@linux.intel.com, gregkh@linuxfoundation.org, tglx@linutronix.de Cc: , From: Date: Mon, 03 Jul 2017 09:57:57 +0200 Message-ID: <149906867741210@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 x86/intel_rdt: Fix memory leak on mount failure to the 4.11-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: x86-intel_rdt-fix-memory-leak-on-mount-failure.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 79298acc4ba097e9ab78644e3e38902d73547c92 Mon Sep 17 00:00:00 2001 From: Vikas Shivappa Date: Mon, 26 Jun 2017 11:55:49 -0700 Subject: x86/intel_rdt: Fix memory leak on mount failure From: Vikas Shivappa commit 79298acc4ba097e9ab78644e3e38902d73547c92 upstream. If mount fails, the kn_info directory is not freed causing memory leak. Add the missing error handling path. Fixes: 4e978d06dedb ("x86/intel_rdt: Add "info" files to resctrl file system") Signed-off-by: Vikas Shivappa Signed-off-by: Thomas Gleixner Cc: ravi.v.shankar@intel.com Cc: tony.luck@intel.com Cc: fenghua.yu@intel.com Cc: peterz@infradead.org Cc: vikas.shivappa@intel.com Cc: andi.kleen@intel.com Link: http://lkml.kernel.org/r/1498503368-20173-3-git-send-email-vikas.shivappa@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c @@ -767,11 +767,13 @@ static struct dentry *rdt_mount(struct f dentry = kernfs_mount(fs_type, flags, rdt_root, RDTGROUP_SUPER_MAGIC, NULL); if (IS_ERR(dentry)) - goto out_cdp; + goto out_destroy; static_branch_enable(&rdt_enable_key); goto out; +out_destroy: + kernfs_remove(kn_info); out_cdp: cdp_disable(); out: Patches currently in stable-queue which might be from vikas.shivappa@linux.intel.com are queue-4.11/x86-intel_rdt-fix-memory-leak-on-mount-failure.patch