Description: iommu: Don't reserve 0-length IOVA region
References:
Notes:
 carnil> Commit fixes a5bf3cfce8cb ("iommu: Implement
 carnil> of_iommu_get_resv_regions()") in 6.3-rc1.
Bugs:
upstream: released (6.8-rc1) [bb57f6705960bebeb832142ce9abf43220c3eab1]
6.7-upstream-stable: released (6.7.2) [5e23e283910c9f30248732ae0770bcb0c9438abf]
6.6-upstream-stable: released (6.6.14) [98b8a550da83cc392a14298c4b3eaaf0332ae6ad]
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.6.15-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"