USB: make hub driver's release more robust

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This revised patch (as893c) improves the method used by the hub driver
to release its private data structure.  The current code is non-robust,
relying on a memory region not getting reused by another driver after
it has been freed.  The patch adds a reference count to the structure,
resolving the question of when to release it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Alan Stern 2007-05-04 11:55:11 -04:00 • committed by Greg Kroah-Hartman

parent 06b84e8adc

commit e805485422

1 changed files with 31 additions and 28 deletions

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59

drivers/usb/core/hub.c

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