From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:54903 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932270AbbLSAoe (ORCPT ); Fri, 18 Dec 2015 19:44:34 -0500 Date: Fri, 18 Dec 2015 14:50:10 -0800 From: Greg Kroah-Hartman To: Alexey Khoroshilov Cc: Johnny Kim , Austin Shin , Chris Park , Tony Cho , Glen Lee , Leo Kim , linux-wireless@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, ldv-project@linuxtesting.org Subject: Re: [PATCH] staging: wilc1000: fix double mutex_unlock on failure path in wilc_wlan_cleanup() Message-ID: <20151218225010.GA26812@kroah.com> (sfid-20151219_014455_903442_B5F1F3EF) References: <1449266674-6642-1-git-send-email-khoroshilov@ispras.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1449266674-6642-1-git-send-email-khoroshilov@ispras.ru> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sat, Dec 05, 2015 at 01:04:34AM +0300, Alexey Khoroshilov wrote: > If hif_read_reg() or hif_write_reg() fail in wilc_wlan_cleanup(), > it calls release_bus() and continues execution. But it leads to double > release_bus() call that means double unlock of g_linux_wlan->hif_cs mutex. > > The patch adds return in case of failure. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov > --- > drivers/staging/wilc1000/wilc_wlan.c | 2 ++ > 1 file changed, 2 insertions(+) No longer applies to my tree, can you rebase it against staging-testing and resend? thanks, greg k-h