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From: Tomas Winkler <tomas.winkler@intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>,
	linux-kernel@vger.kernel.org,
	Tomas Winkler <tomas.winkler@intel.com>,
	stable@vger.kernel.org
Subject: [char-misc for 4.9 1/2] mei: bus: fix hw module get/put balance
Date: Mon, 27 Aug 2018 22:40:15 +0300	[thread overview]
Message-ID: <20180827194016.1287-2-tomas.winkler@intel.com> (raw)
In-Reply-To: <20180827194016.1287-1-tomas.winkler@intel.com>

In case the device is not connected it doesn't 'get'
hw module and hence should not 'put' it on disable.

Cc: <stable@vger.kernel.org> 4.16+
Fixes:'commit 257355a44b99 ("mei: make module referencing local to the bus.c")'
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200455
Tested-by: Georg Müller <georgmueller@gmx.net>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
 drivers/misc/mei/bus.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 7bba62a72921..13c6c9a2248a 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -616,9 +616,8 @@ int mei_cldev_disable(struct mei_cl_device *cldev)
 	if (err < 0)
 		dev_err(bus->dev, "Could not disconnect from the ME client\n");
 
-out:
 	mei_cl_bus_module_put(cldev);
-
+out:
 	/* Flush queues and remove any pending read */
 	mei_cl_flush_queues(cl, NULL);
 	mei_cl_unlink(cl);
-- 
2.14.4


  reply	other threads:[~2018-08-27 19:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-27 19:40 [char-misc for 4.19 0/2] mei: fix suspend/hibernation regression Tomas Winkler
2018-08-27 19:40 ` Tomas Winkler [this message]
2018-08-27 19:40 ` [char-misc for 4.9 2/2] mei: bus: need to unlink client before freeing Tomas Winkler

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