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c7b5727475
Memory for descriptor rings are allocated/freed, when interface is brought up/down. Since the size of the rings is not changeable by hardware, we now allocate rings now during probe and free it, when device is removed. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>