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由 Anton Vorontsov 提交于
After kfifo rework it's no longer possible to reliably know if kfifo is usable, since after kfifo_free(), kfifo_initialized() would still return true. The correct behaviour is needed for at least FHCI USB driver. This patch fixes the issue by resetting the kfifo to zero values (the same approach is used in kfifo_alloc() if allocation failed). Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Acked-by: NStefani Seibold <stefani@seibold.net> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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