From patchwork Tue Oct 17 09:16:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Greenman, Gregory" X-Patchwork-Id: 13424845 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46D3FCDB482 for ; Tue, 17 Oct 2023 09:17:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343501AbjJQJRa (ORCPT ); Tue, 17 Oct 2023 05:17:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343508AbjJQJR1 (ORCPT ); Tue, 17 Oct 2023 05:17:27 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7246EB0 for ; Tue, 17 Oct 2023 02:17:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697534245; x=1729070245; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=YjDBcJ9lxtjmWAl5dbvTFGrgMYaSpW5zBbg7zkYOezo=; b=Ae+qmfvt0KBKLqoWhjlpag9LbP/iCsjIv099Ef+mOUc1sIElHzxXQQ3l ZfqonVlMeN6uP38lvgJPn3y4l4TCmehEA9qocV2oRcNhpRC9i8wg2xzg/ 6BiCHbginpMQZ++ufTw7GYnk2F7Di9Alce5PPnp45BjEHstkbARN2cbgV r6Df5FPy7yGhLUb7J7rti7xYmreeEkmLTxMT7BQ7wkaojyhsheTUTYk4B QyCIxTVpSLY3RezRQxrZg4MQ9EuPeNk0UAX8u7ZU9gEzl5k4MxpfExBw8 /wbLEK06GXRrxtHuF7gjHOe03Ovtj4XOso2Kgasr07jFPaJsUdpGfhEAW g==; X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="370808557" X-IronPort-AV: E=Sophos;i="6.03,231,1694761200"; d="scan'208";a="370808557" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2023 02:17:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="759731945" X-IronPort-AV: E=Sophos;i="6.03,231,1694761200"; d="scan'208";a="759731945" Received: from obarinsh-mobl1.ger.corp.intel.com (HELO ggreenma-mobl2.intel.com) ([10.214.213.101]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2023 02:17:22 -0700 From: gregory.greenman@intel.com To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Benjamin Berg , Gregory Greenman Subject: [PATCH 10/14] wifi: iwlwifi: mvm: Return success if link could not be removed Date: Tue, 17 Oct 2023 12:16:45 +0300 Message-Id: <20231017115047.f89bc05aadf6.Idc8fbd671362d962c02b1df87fa6258733631580@changeid> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20231017091649.65090-1-gregory.greenman@intel.com> References: <20231017091649.65090-1-gregory.greenman@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Benjamin Berg iwl_mvm_remove_link would return an error if the link could not be removed. However, doing so prevents recovery if a link was not uploaded to the FW in the first place and the link_info was not allocated or fw_link_id is not set. Returning success means that we can still try to continue with adding new links in change_vif_links. Signed-off-by: Benjamin Berg Signed-off-by: Gregory Greenman --- drivers/net/wireless/intel/iwlwifi/mvm/link.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index c3831440a019..be48b0fc9cb6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -242,9 +242,10 @@ int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_link_config_cmd cmd = {}; int ret; + /* mac80211 thought we have the link, but it was never configured */ if (WARN_ON(!link_info || link_info->fw_link_id >= ARRAY_SIZE(mvm->link_id_to_link_conf))) - return -EINVAL; + return 0; RCU_INIT_POINTER(mvm->link_id_to_link_conf[link_info->fw_link_id], NULL);