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 X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 04BE0C4360F for ; Mon, 1 Apr 2019 17:50:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFFB920830 for ; Mon, 1 Apr 2019 17:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554141041; bh=7hsL9hZpwvOswIB0Ku9z8+/irDIZJ8hlInCvinZezi8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oejvrrRAaapoXf3HiL3EiDUVbTcDh+DnuhkvTATU7uCUoTCMaXI9giYncfRipbCqi ljC1PSC0zYCwly1SLL5YKwAiO6hxz2f0o4kL76RoWVdDQhH34Zu/MhvjOFmod/KXkl ihZWCqF5dydJo4drIE8DwJHKMWdDpE0tEqJdc3yY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732813AbfDAR2m (ORCPT ); Mon, 1 Apr 2019 13:28:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:34724 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732825AbfDAR2l (ORCPT ); Mon, 1 Apr 2019 13:28:41 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5081A20880; Mon, 1 Apr 2019 17:28:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139720; bh=7hsL9hZpwvOswIB0Ku9z8+/irDIZJ8hlInCvinZezi8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Wd5RXoJwA+BwnoL5q/+/CR7LeNfhW0spX2qn+/rvDBArsjBoXirBxZxgzWz0D2tV1 2ewQAVMq6SPLTMUPJyn4D1mHrnyeQ729NOTr7mGe3x6uTSXfs02MXXGRJnKOo4FPCn EwaEzg2qt/F1nzPR8SYw/LagmKzh886zp1cds6x4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Malcolm Priestley Subject: [PATCH 4.9 34/56] staging: vt6655: Remove vif check from vnt_interrupt Date: Mon, 1 Apr 2019 19:02:50 +0200 Message-Id: <20190401170105.804913774@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170103.398401360@linuxfoundation.org> References: <20190401170103.398401360@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Malcolm Priestley commit cc26358f89c3e493b54766b1ca56cfc6b14db78a upstream. A check for vif is made in vnt_interrupt_work. There is a small chance of leaving interrupt disabled while vif is NULL and the work hasn't been scheduled. Signed-off-by: Malcolm Priestley CC: stable@vger.kernel.org # v4.2+ Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6655/device_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1084,8 +1084,7 @@ static irqreturn_t vnt_interrupt(int irq { struct vnt_private *priv = arg; - if (priv->vif) - schedule_work(&priv->interrupt_work); + schedule_work(&priv->interrupt_work); return IRQ_HANDLED; }