Merge tag 'dma-mapping-7.1-2026-06-11' of git://git.kernel.org/pub/scm/linux/kernel...

Pull dma-mapping fix from Marek Szyprowski:
 "Three more fixes for the DMA-mapping code, related to PCI P2PDMA, DMA
  debug and DMA link ranges API (Li RongQing and Jason Gunthorpe)"

* tag 'dma-mapping-7.1-2026-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
  iommu/dma: Do not try to iommu_map a 0 length region in swiotlb
  dma-debug: fix physical address retrieval in debug_dma_sync_sg_for_device
  dma-mapping: direct: fix missing mapping for THRU_HOST_BRIDGE segments