diff options
| -rw-r--r-- | drivers/iommu/msm_iommu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 1a584e077c6..d1733f672f1 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -543,6 +543,13 @@ static int msm_iommu_unmap(struct iommu_domain *domain, unsigned long va, } ret = __flush_iotlb(domain); + + /* + * the IOMMU API requires us to return the order of the unmapped + * page (on success). + */ + if (!ret) + ret = order; fail: spin_unlock_irqrestore(&msm_iommu_lock, flags); return ret; |