From patchwork Thu Feb 13 21:43:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Wetzel X-Patchwork-Id: 865055 Received: from ns2.wdyn.eu (ns2.wdyn.eu [5.252.227.236]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C5269266B56 for ; Thu, 13 Feb 2025 21:44:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.252.227.236 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739483071; cv=none; b=TYTjc2zFSvkMcgMTYm7HJGpqIBNHNzVM3NijZu02EvR3aK6clr0h8zPpcFmGeZ3LzPsZuPrcVcECcbsmqUttGxt9rInilrrWE0R0sFB/kyPQtQNj6pJU4BOAs1HV7o56y5w5EbfNxVLw/+IAwkTJuXfV7Yu9sdeg+1miBNU2vD8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739483071; c=relaxed/simple; bh=GpwrtTNM946pqoB8xKOa7giJ95pYqor73SHvRTsz0dk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=K/qSaej5KD4zkEmorsvzqxBd/z38fxjm1togrUrco/m0REhjLUcZGyZeGTMYh7RDskuKh7JpfjUngfT7S93jOxGzwas/D3f7MXMQa2s8aWeQoLoYROuA8sC51GWpp/d92Z/fQTmfQD9O2rNmgRqIQtzqvGPWI9P/Pq1LKDX3Fac= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wetzel-home.de; spf=pass smtp.mailfrom=wetzel-home.de; dkim=pass (1024-bit key) header.d=wetzel-home.de header.i=@wetzel-home.de header.b=uiSjIrPQ; arc=none smtp.client-ip=5.252.227.236 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wetzel-home.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wetzel-home.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=wetzel-home.de header.i=@wetzel-home.de header.b="uiSjIrPQ" From: Alexander Wetzel DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=wetzel-home.de; s=wetzel-home; t=1739483059; bh=GpwrtTNM946pqoB8xKOa7giJ95pYqor73SHvRTsz0dk=; h=From:To:Cc:Subject:Date; b=uiSjIrPQ8UskRdjRtJwufXHm56mZH6NGYEqFsODuzyybjt05kr8G32MnIjBlwvZ11 E9woo5K2bqV+MzNIehnQ7Nj954aZ6yi28lRUtkzZCVwhs8+lX0jyxFGbW8G+YlBKO2 +r+040YY4W/xeyAU5mfdF2BPqvN79NBa8YIVBPt8= To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Alexander Wetzel , kernel test robot Subject: [PATCH] wifi: mac80211: Fix sparse warning for monitor_sdata Date: Thu, 13 Feb 2025 22:43:30 +0100 Message-ID: <20250213214330.6113-1-Alexander@wetzel-home.de> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use rcu_access_pointer() to avoid sparse warning in drv_remove_interface(). Signed-off-by: Alexander Wetzel Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202502130534.bVrZZBK0-lkp@intel.com/ Fixes: 646262c71aca ("wifi: mac80211: remove debugfs dir for virtual monitor") --- net/mac80211/driver-ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 2fc60e1e77a5..35349a7f16cb 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -121,7 +121,7 @@ void drv_remove_interface(struct ieee80211_local *local, * The virtual monitor interface doesn't get a debugfs * entry, so it's exempt here. */ - if (sdata != local->monitor_sdata) + if (sdata != rcu_access_pointer(local->monitor_sdata)) ieee80211_debugfs_recreate_netdev(sdata, sdata->vif.valid_links);