firewire: Don't use subsystem rwsem, it's going away.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c
index 7197657..7503b8d 100644
--- a/drivers/firewire/fw-device.c
+++ b/drivers/firewire/fw-device.c
@@ -550,6 +550,7 @@
return 0;
}
+static DECLARE_RWSEM(idr_rwsem);
static DEFINE_IDR(fw_device_idr);
int fw_cdev_major;
@@ -557,9 +558,9 @@
{
struct fw_device *device;
- down_read(&fw_bus_type.subsys.rwsem);
+ down_read(&idr_rwsem);
device = idr_find(&fw_device_idr, MINOR(devt));
- up_read(&fw_bus_type.subsys.rwsem);
+ up_read(&idr_rwsem);
return device;
}
@@ -570,9 +571,9 @@
container_of(work, struct fw_device, work.work);
int minor = MINOR(device->device.devt);
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
idr_remove(&fw_device_idr, minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
fw_device_cdev_remove(device);
device_for_each_child(&device->device, NULL, shutdown_unit);
@@ -621,10 +622,10 @@
}
err = -ENOMEM;
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
if (idr_pre_get(&fw_device_idr, GFP_KERNEL))
err = idr_get_new(&fw_device_idr, device, &minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
if (err < 0)
goto error;
@@ -670,9 +671,9 @@
return;
error_with_cdev:
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
idr_remove(&fw_device_idr, minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
error:
put_device(&device->device);
}