From mboxrd@z Thu Jan 1 00:00:00 1970 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 EF16BC7EE45 for ; Mon, 12 Jun 2023 10:52:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235736AbjFLKwT (ORCPT ); Mon, 12 Jun 2023 06:52:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232781AbjFLKvw (ORCPT ); Mon, 12 Jun 2023 06:51:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E119E6F for ; Mon, 12 Jun 2023 03:36:25 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CFD46623ED for ; Mon, 12 Jun 2023 10:36:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2D4CC433EF; Mon, 12 Jun 2023 10:36:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686566184; bh=LybuK3fQkzPL+DBGEg0lwc+NxKSAbUJznWG6acJXeBs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ak8gJ2Hw15U/Kv7QS/4N2ft+O+1bxFRoW+DhX5fvEr/wCJ1LDmnZNNI9OmWsMHXAd IYsm2Kiih98wyeib3mnyWbmuhe2lZxwEwLnQCz/KmwaMQ6GH1QmOQe/hAi6UxwfVgP mjVOnjU651T9BMc8bcGCfxBsjsAvb+KWZWuKmoAA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Johannes Berg , Sasha Levin Subject: [PATCH 5.15 27/91] wifi: cfg80211: fix locking in sched scan stop work Date: Mon, 12 Jun 2023 12:26:16 +0200 Message-ID: <20230612101703.238942070@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230612101702.085813286@linuxfoundation.org> References: <20230612101702.085813286@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johannes Berg [ Upstream commit 3e54ed8247c94c8bdf370bd872bd9dfe72b1b12b ] This should use wiphy_lock() now instead of acquiring the RTNL, since cfg80211_stop_sched_scan_req() now needs that. Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver") Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/wireless/core.c b/net/wireless/core.c index 441136646f89a..d10686f4bf153 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -368,12 +368,12 @@ static void cfg80211_sched_scan_stop_wk(struct work_struct *work) rdev = container_of(work, struct cfg80211_registered_device, sched_scan_stop_wk); - rtnl_lock(); + wiphy_lock(&rdev->wiphy); list_for_each_entry_safe(req, tmp, &rdev->sched_scan_req_list, list) { if (req->nl_owner_dead) cfg80211_stop_sched_scan_req(rdev, req, false); } - rtnl_unlock(); + wiphy_unlock(&rdev->wiphy); } static void cfg80211_propagate_radar_detect_wk(struct work_struct *work) -- 2.39.2