John Baldwin c34f1a08c6 Fix teardown of static DMA allocations in various NIC drivers: ... - Add missing calls to bus_dmamap_unload() in et(4). - Check the bus address against 0 to decide when to call bus_dmamap_unload() instead of comparing the bus_dma map against NULL. - Check the virtual address against NULL to decide when to call bus_dmamem_free() instead of comparing the bus_dma map against NULL. - Don't clear bus_dma map pointers to NULL for static allocations. Instead, treat the value as completely opaque. - Pass the correct virtual address to bus_dmamem_free() in wpi(4) instead of trying to free a pointer to the virtual address. Reviewed by: yongari		2014-06-17 14:47:49 +00:00
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if_et.c
if_etreg.h
if_etvar.h