318 	unsigned long minsz;  in afu_ioctl_get_info()  local
320 	minsz = offsetofend(struct dfl_fpga_port_info, num_umsgs);  in afu_ioctl_get_info()
322 	if (copy_from_user(&info, arg, minsz))  in afu_ioctl_get_info()
325 	if (info.argsz < minsz)  in afu_ioctl_get_info()
346 	unsigned long minsz;  in afu_ioctl_get_region_info()  local
349 	minsz = offsetofend(struct dfl_fpga_port_region_info, offset);  in afu_ioctl_get_region_info()
351 	if (copy_from_user(&rinfo, arg, minsz))  in afu_ioctl_get_region_info()
354 	if (rinfo.argsz < minsz || rinfo.padding)  in afu_ioctl_get_region_info()
375 	unsigned long minsz;  in afu_ioctl_dma_map()  local
378 	minsz = offsetofend(struct dfl_fpga_port_dma_map, iova);  in afu_ioctl_dma_map()
380 	if (copy_from_user(&map, arg, minsz))  in afu_ioctl_dma_map()
383 	if (map.argsz < minsz || map.flags)  in afu_ioctl_dma_map()
407 	unsigned long minsz;  in afu_ioctl_dma_unmap()  local
409 	minsz = offsetofend(struct dfl_fpga_port_dma_unmap, iova);  in afu_ioctl_dma_unmap()
411 	if (copy_from_user(&unmap, arg, minsz))  in afu_ioctl_dma_unmap()
414 	if (unmap.argsz < minsz || unmap.flags)  in afu_ioctl_dma_unmap()