> From: Lu Baolu <baolu...@linux.intel.com> > Sent: Saturday, June 25, 2022 8:52 PM > > @@ -1062,11 +1040,14 @@ static int alloc_iommu(struct dmar_drhd_unit > *drhd) > if (!iommu) > return -ENOMEM; > > - if (dmar_alloc_seq_id(iommu) < 0) { > + iommu->seq_id = ida_alloc_range(&dmar_seq_ids, 0, > + DMAR_UNITS_SUPPORTED,
should be "DMAR_UNITS_SUPPORTED - 1" > GFP_KERNEL); > + if (iommu->seq_id < 0) { > pr_err("Failed to allocate seq_id\n"); > err = -ENOSPC; > goto error; > } ida_alloc_range() returns error code already. No need to change it. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu