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由 Andrew Morton 提交于
We need to wait until any currently-running handler has completed. Fixes an unplug-time oops reported by "Miles Lane" <miles.lane@gmail.com>. Cc: "Petko Manolov" <petkan@users.sourceforge.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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