On Thu, 10 May 2007, Tejun Heo wrote: > Currently, devt_attr for the "dev" file is freed immediately on device > removal, but if the "dev" sysfs file is open when a device is removed, > sysfs will access its attribute structure for further access including > close resulting in jumping to garbled address. Fix it by postponing > freeing devt_attr to device release time. > > Note that devt_attr for class_device is already freed on release. > > This bug is reported by Chris Rankin as bugzilla bug#8198. > > Signed-off-by: Tejun Heo <[EMAIL PROTECTED]> > Cc: Chris Rankin <[EMAIL PROTECTED]> > --- > Applies well to 2.6.20 and 21. As sysfs-immediate-disconnect doesn't > seem to be included in 2.6.22, this should be included in linus#master > too (applies well there as well).
Although sysfs-immediate-disconnect may not be included in 2.6.22, the old attribute-orphan code by Oliver Neukum is present there and also in 2.6.21. Shouldn't that suffice? Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
