From patchwork Tue Sep 22 20:44:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Greear X-Patchwork-Id: 259180 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 E5A1EC4727D for ; Tue, 22 Sep 2020 20:44:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A9EC2220D for ; Tue, 22 Sep 2020 20:44:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b="Xy3j0QL3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726634AbgIVUop (ORCPT ); Tue, 22 Sep 2020 16:44:45 -0400 Received: from mail2.candelatech.com ([208.74.158.173]:47832 "EHLO mail3.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726550AbgIVUop (ORCPT ); Tue, 22 Sep 2020 16:44:45 -0400 Received: from ben-dt4.candelatech.com (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id DA2A813C2B1; Tue, 22 Sep 2020 13:44:44 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com DA2A813C2B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1600807485; bh=fQjNdy2MO5sqewOTNw6DIn+NG3UFzClrxzXmN1d4xDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xy3j0QL3Q71MU0WK0pL0mt0v3hxmPLPU7+PedW7X+fO0D07d9OL6oBb3CZ5pbH6Mj ea8pXaksd2l7mbpXhSpXc2Qbu+x7OGM0bWsFB41305mCHWcfdfRlT3/EW9yY+KFFyR pDYCt1Jbx+zE1p3kDWa+yc/wbI7sywePV5AcJVvE= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH 2/2] mac80211: Set radio to unavailable when it fails to reconfigure. Date: Tue, 22 Sep 2020 13:44:40 -0700 Message-Id: <20200922204440.25360-2-greearb@candelatech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200922204440.25360-1-greearb@candelatech.com> References: <20200922204440.25360-1-greearb@candelatech.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ben Greear This can happen when firmware crashes during recover operations, for instance. Seen sometimes during stress test of ath10k systems, particularlly an IPQ4019 based platform, but I think it could happen on many systems. Signed-off-by: Ben Greear --- net/mac80211/util.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index f3bc05217f741..ecd56f80b0c82 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2106,6 +2106,7 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local) mutex_unlock(&local->chanctx_mtx); cfg80211_shutdown_all_interfaces(local->hw.wiphy); + cfg80211_set_unavailable(local->hw.wiphy, 1); } static void ieee80211_assign_chanctx(struct ieee80211_local *local,