From patchwork Mon Aug 2 14:28:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 491312 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6E64C4320E for ; Mon, 2 Aug 2021 14:28:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 851DA60EC0 for ; Mon, 2 Aug 2021 14:28:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234193AbhHBO2s (ORCPT ); Mon, 2 Aug 2021 10:28:48 -0400 Received: from paleale.coelho.fi ([176.9.41.70]:50942 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S234177AbhHBO2s (ORCPT ); Mon, 2 Aug 2021 10:28:48 -0400 Received: from 91-156-6-193.elisa-laajakaista.fi ([91.156.6.193] helo=kveik.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1mAYvk-001xts-Eu; Mon, 02 Aug 2021 17:28:37 +0300 From: Luca Coelho To: kvalo@codeaurora.org Cc: luca@coelho.fi, linux-wireless@vger.kernel.org Date: Mon, 2 Aug 2021 17:28:24 +0300 Message-Id: X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210802142829.109448-1-luca@coelho.fi> References: <20210802142829.109448-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 07/12] iwlwifi: mvm: fix a memory leak in iwl_mvm_mac_ctxt_beacon_changed Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Zhang Qilong If beacon_inject_active is true, we will return without freeing beacon. Fid that by freeing it before returning. Signed-off-by: Zhang Qilong [reworded the commit message] Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 76a658cb5493..2fbc1a3bbdca 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1008,8 +1008,10 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, return -ENOMEM; #ifdef CONFIG_IWLWIFI_DEBUGFS - if (mvm->beacon_inject_active) + if (mvm->beacon_inject_active) { + dev_kfree_skb(beacon); return -EBUSY; + } #endif ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon);