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由 Milton Miller 提交于
Be thorough in our exit routine, since it says it is there to be so. Unregistering without registering is safe (checked in 2.6.10). Signed-off-by: NMilton Miller <miltonm@bga.com> Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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