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Don't check the dma map address for a static DMA mapping against NULL

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to determine if the mapping is valid.

Submitted by:	jhb
This commit is contained in:
Bryan Venteicher 2014-06-14 23:36:17 +00:00
parent c67bc4dbda
commit 9945063d70
1 changed files with 1 additions and 1 deletions
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2
sys/dev/vmware/vmxnet3/if_vmx.c
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@ -3886,7 +3886,7 @@ vmxnet3_dma_free(struct vmxnet3_softc *sc, struct vmxnet3_dma_alloc *dma)
{ {
if (dma->dma_tag != NULL) { if (dma->dma_tag != NULL) {
if (dma->dma_map != NULL) { if (dma->dma_paddr != 0) {
bus_dmamap_sync(dma->dma_tag, dma->dma_map, bus_dmamap_sync(dma->dma_tag, dma->dma_map,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(dma->dma_tag, dma->dma_map); bus_dmamap_unload(dma->dma_tag, dma->dma_map);