diff options
| -rw-r--r-- | drivers/misc/mei/bus.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 4955a0908d04..1d9ce9c491cf 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -446,30 +446,49 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv) return 0; } +/** + * mei_cl_device_probe - bus probe function + * + * @dev: device + * + * Return: 0 on success; < 0 otherwise + */ static int mei_cl_device_probe(struct device *dev) { - struct mei_cl_device *cldev = to_mei_cl_device(dev); + struct mei_cl_device *cldev; struct mei_cl_driver *cldrv; - struct mei_cl_device_id id; + const struct mei_cl_device_id *id; + + cldev = to_mei_cl_device(dev); + cldrv = to_mei_cl_driver(dev->driver); if (!cldev) return 0; - cldrv = to_mei_cl_driver(dev->driver); if (!cldrv || !cldrv->probe) return -ENODEV; - dev_dbg(dev, "Device probe\n"); + id = mei_cl_device_find(cldev, cldrv); + if (!id) + return -ENODEV; - strlcpy(id.name, cldev->name, sizeof(id.name)); + __module_get(THIS_MODULE); - return cldrv->probe(cldev, &id); + return cldrv->probe(cldev, id); } +/** + * mei_cl_device_remove - remove device from the bus + * + * @dev: device + * + * Return: 0 on success; < 0 otherwise + */ static int mei_cl_device_remove(struct device *dev) { struct mei_cl_device *cldev = to_mei_cl_device(dev); struct mei_cl_driver *cldrv; + int ret = 0; if (!cldev || !dev->driver) return 0; @@ -480,13 +499,13 @@ static int mei_cl_device_remove(struct device *dev) } cldrv = to_mei_cl_driver(dev->driver); - if (!cldrv->remove) { - dev->driver = NULL; + if (cldrv->remove) + ret = cldrv->remove(cldev); - return 0; - } + module_put(THIS_MODULE); + dev->driver = NULL; + return ret; - return cldrv->remove(cldev); } static ssize_t name_show(struct device *dev, struct device_attribute *a, |