From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50343 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030447AbbKFAkc (ORCPT ); Thu, 5 Nov 2015 19:40:32 -0500 Subject: Patch "iwlwifi: mvm: flush fw_dump_wk when mvm fails to start" has been added to the 4.2-stable tree To: andrei.otcheretianski@intel.com, gregkh@linuxfoundation.org, luciano.coelho@intel.com Cc: , From: Date: Thu, 05 Nov 2015 16:40:30 -0800 Message-ID: <1446770430161132@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 iwlwifi: mvm: flush fw_dump_wk when mvm fails to start to the 4.2-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: iwlwifi-mvm-flush-fw_dump_wk-when-mvm-fails-to-start.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From dbf73d4a8bb8f4e1d1f3edd3be825692279e2ef3 Mon Sep 17 00:00:00 2001 From: Andrei Otcheretianski Date: Wed, 30 Sep 2015 12:26:23 +0200 Subject: iwlwifi: mvm: flush fw_dump_wk when mvm fails to start From: Andrei Otcheretianski commit dbf73d4a8bb8f4e1d1f3edd3be825692279e2ef3 upstream. FW dump may be triggered when running init ucode, for example due to a sysassert. In this case fw_dump_wk may run after mvm is freed, resulting in a kernel panic. Fix it by flushing the work. Fixes: 01b988a708af ("iwlwifi: mvm: allow to collect debug data when restart is disabled") Signed-off-by: Andrei Otcheretianski Signed-off-by: Luca Coelho Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/iwlwifi/mvm/ops.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -582,6 +582,7 @@ iwl_op_mode_mvm_start(struct iwl_trans * ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: + flush_delayed_work(&mvm->fw_dump_wk); iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) Patches currently in stable-queue which might be from andrei.otcheretianski@intel.com are queue-4.2/iwlwifi-mvm-flush-fw_dump_wk-when-mvm-fails-to-start.patch