From: Alexander Usyskin Date: Fri, 27 Jan 2017 14:32:38 +0000 (+0200) Subject: mei: bus: cancel and disable callback after release call X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9ecb839f16a353e71175981a098842fda4ddc7f1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 --- 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;