From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:37734 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752036AbbHEUhD (ORCPT ); Wed, 5 Aug 2015 16:37:03 -0400 Subject: patch "auxdisplay: ks0108: fix refcount" added to char-misc-testing To: sudipm.mukherjee@gmail.com, gregkh@linuxfoundation.org, stable@vger.kernel.org, sudip@vectorindia.org From: Date: Wed, 05 Aug 2015 13:37:01 -0700 Message-ID: <143880702144189@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled auxdisplay: ks0108: fix refcount to my char-misc git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git in the char-misc-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the char-misc-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >>From bab383de3b84e584b0f09227151020b2a43dc34c Mon Sep 17 00:00:00 2001 From: Sudip Mukherjee Date: Mon, 20 Jul 2015 17:27:21 +0530 Subject: auxdisplay: ks0108: fix refcount parport_find_base() will implicitly do parport_get_port() which increases the refcount. Then parport_register_device() will again increment the refcount. But while unloading the module we are only doing parport_unregister_device() decrementing the refcount only once. We add an parport_put_port() to neutralize the effect of parport_get_port(). Cc: # 2.6.32+ Signed-off-by: Sudip Mukherjee Signed-off-by: Greg Kroah-Hartman --- drivers/auxdisplay/ks0108.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/auxdisplay/ks0108.c b/drivers/auxdisplay/ks0108.c index 5b93852392b8..0d752851a1ee 100644 --- a/drivers/auxdisplay/ks0108.c +++ b/drivers/auxdisplay/ks0108.c @@ -139,6 +139,7 @@ static int __init ks0108_init(void) ks0108_pardevice = parport_register_device(ks0108_parport, KS0108_NAME, NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + parport_put_port(ks0108_parport); if (ks0108_pardevice == NULL) { printk(KERN_ERR KS0108_NAME ": ERROR: " "parport didn't register new device\n"); -- 2.5.0