Re: [patch]fix autosuspend race in skeleton driver
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, 8 Feb 2007, Oliver Neukum wrote: > Hi, > > as the skeleton driver was made ready for autosuspend a race condition > was introduced. The reference to get device must be gotten before the > autosuspend counter is upped, as this operation may sleep, dropping BKL. > Dropping BKL means that the pointer to the device may become invalid. > Here's the fix. A good example of the dangers of relying on BKL for anything serious. Alan Stern ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel