Messages in this thread |  | | | From | Dmitry Torokhov <> | | Subject | Re: More platform driver questions | | Date | Tue, 13 Dec 2005 02:23:12 -0500 |
Hi Jean,
On Tuesday 13 December 2005 02:17, Jean Delvare wrote: > Now the question is, is there actually any race condition there? In my > case, the only users of the driver data are the sysfs callback > functions, so I guess that this is all down to whether the driver core > will unregister them before platform_driver.remove is called, or after > it is called. If .remove is called first, then yes my code is racy and > I'll have to fix it.
Remove might be called first if sysfs attributes were open at the time platform_device_unregister was issued. The only thing that is guaranteed that ->release() is called only when last reference to kobject was dropped.
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