From 9ecb839f16a353e71175981a098842fda4ddc7f1 Mon Sep 17 00:00:00 2001 From: Alexander Usyskin Date: Fri, 27 Jan 2017 16:32:38 +0200 Subject: [PATCH] mei: bus: cancel and disable callback after release call A driver on the mei bus may rely on the availability of the receive callback during driver remove() call, e.g. mei_wdt. Move callbacks dismantling after the remove() call to unblock that scenario. Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/bus.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 2d9c5dd06e42..3bb1f1500f6b 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -665,6 +665,10 @@ static int mei_cl_device_remove(struct device *dev) if (!cldev || !dev->driver) return 0; + cldrv = to_mei_cl_driver(dev->driver); + if (cldrv->remove) + ret = cldrv->remove(cldev); + if (cldev->rx_cb) { cancel_work_sync(&cldev->rx_work); cldev->rx_cb = NULL; @@ -674,10 +678,6 @@ static int mei_cl_device_remove(struct device *dev) cldev->notif_cb = NULL; } - cldrv = to_mei_cl_driver(dev->driver); - if (cldrv->remove) - ret = cldrv->remove(cldev); - module_put(THIS_MODULE); dev->driver = NULL; return ret; -- 2.45.2