diff options
Diffstat (limited to 'drivers/base/bus.c')
| -rw-r--r-- | drivers/base/bus.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 8bfd27ec73d6..e06a57936cc9 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -31,6 +31,9 @@ static struct kset *system_kset; #define to_drv_attr(_attr) container_of(_attr, struct driver_attribute, attr) +#define DRIVER_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \ + struct driver_attribute driver_attr_##_name = \ + __ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) static int __must_check bus_rescan_devices_helper(struct device *dev, void *data); @@ -195,7 +198,7 @@ static ssize_t unbind_store(struct device_driver *drv, const char *buf, bus_put(bus); return err; } -static DRIVER_ATTR_WO(unbind); +static DRIVER_ATTR_IGNORE_LOCKDEP(unbind, S_IWUSR, NULL, unbind_store); /* * Manually attach a device to a driver. @@ -231,7 +234,7 @@ static ssize_t bind_store(struct device_driver *drv, const char *buf, bus_put(bus); return err; } -static DRIVER_ATTR_WO(bind); +static DRIVER_ATTR_IGNORE_LOCKDEP(bind, S_IWUSR, NULL, bind_store); static ssize_t show_drivers_autoprobe(struct bus_type *bus, char *buf) { @@ -611,8 +614,10 @@ static void remove_probe_files(struct bus_type *bus) static ssize_t uevent_store(struct device_driver *drv, const char *buf, size_t count) { - kobject_synth_uevent(&drv->p->kobj, buf, count); - return count; + int rc; + + rc = kobject_synth_uevent(&drv->p->kobj, buf, count); + return rc ? rc : count; } static DRIVER_ATTR_WO(uevent); @@ -828,8 +833,10 @@ static void klist_devices_put(struct klist_node *n) static ssize_t bus_uevent_store(struct bus_type *bus, const char *buf, size_t count) { - kobject_synth_uevent(&bus->p->subsys.kobj, buf, count); - return count; + int rc; + + rc = kobject_synth_uevent(&bus->p->subsys.kobj, buf, count); + return rc ? rc : count; } static BUS_ATTR(uevent, S_IWUSR, NULL, bus_uevent_store); |