/**
* driver_find - locate driver on a bus by its name.
* @name: name of the driver.
* @bus: bus to scan for the driver.
*
* Call kset_find_obj() to iterate over list of drivers on
* a bus to find driver by name. Return driver if found.
*
* Note that kset_find_obj increments driver's reference count.
*/
struct device_driver *driver_find(const char *name, struct bus_type *bus)
{
struct kobject *k = kset_find_obj(&bus->drivers, name);
if (k)
return to_drv(k);
return NULL;
}
/* _VMKLNX_CODECHECK_: get_driver */
struct device_driver * get_driver(struct device_driver * drv)
{
#if defined(__VMKLNX__)
VMK_ASSERT(vmk_PreemptionIsEnabled() == VMK_FALSE);
if (drv) {
kref_get(&drv->kref);
}
return drv;
#else /* !defined(__VMKLNX__) */
return drv ? to_drv(kobject_get(&drv->kobj)) : NULL;
#endif /* defined(__VMKLNX__) */
}
/**
* get_driver - increment driver reference count.
* @drv: driver.
*/
struct device_driver * get_driver(struct device_driver * drv)
{
return drv ? to_drv(kobject_get(&drv->kobj)) : NULL;
}
