Commit d79d3244 authored by Patrick Pannuto's avatar Patrick Pannuto Committed by Greg Kroah-Hartman

driver core: platform: Use drv->driver.bus instead of assuming platform_bus_type

In theory (although not *yet* in practice), a driver being passed
to platform_driver_probe might have driver.bus set to something
other than platform_bus_type. Locking drv->driver.bus is always
correct.
Signed-off-by: default avatarPatrick Pannuto <ppannuto@codeaurora.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6a5c083d
......@@ -488,12 +488,12 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv,
* if the probe was successful, and make sure any forced probes of
* new devices fail.
*/
spin_lock(&platform_bus_type.p->klist_drivers.k_lock);
spin_lock(&drv->driver.bus->p->klist_drivers.k_lock);
drv->probe = NULL;
if (code == 0 && list_empty(&drv->driver.p->klist_devices.k_list))
retval = -ENODEV;
drv->driver.probe = platform_drv_probe_fail;
spin_unlock(&platform_bus_type.p->klist_drivers.k_lock);
spin_unlock(&drv->driver.bus->p->klist_drivers.k_lock);
if (code != retval)
platform_driver_unregister(drv);
......
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