Symbol: dma_mapping_error
sys/compat/linuxkpi/common/include/linux/dma-mapping.h
327
dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
sys/dev/netmap/netmap_kern.h
1822
if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma)) {