iommu/arm-smmu: fix panic in arm_smmu_alloc_init_pte
kernel panic happened when iommu_unmap a buffer larger than 2MB,
more than expected pmd entries got “invalidated”, due to a wrong range
passed to arm_smmu_alloc_init_pte. it was likely a typo, now we fix
it, passing the correct "end" address to arm_smmu_alloc_init_pte.
Signed-off-by: Bin Wang <binw@marvell.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 69d001a..647c3c7 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1381,7 +1381,7 @@
do {
next = pmd_addr_end(addr, end);
- ret = arm_smmu_alloc_init_pte(smmu, pmd, addr, end, pfn,
+ ret = arm_smmu_alloc_init_pte(smmu, pmd, addr, next, pfn,
prot, stage);
phys += next - addr;
} while (pmd++, addr = next, addr < end);