From 130a2fdf0b9e2305fd4dfbf7e6fb58c31df0fe8e Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 9 Apr 2018 23:07:20 +0300 Subject: iommu/tegra: gart: Fix gart_iommu_unmap() It must return the number of unmapped bytes on success, returning 0 means that unmapping failed and in result only one page is unmapped. Signed-off-by: Dmitry Osipenko Reviewed-by: Thierry Reding Acked-by: Thierry Reding Signed-off-by: Joerg Roedel --- drivers/iommu/tegra-gart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iommu/tegra-gart.c') diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 4c0abdcd1ad2..89ec24c6952c 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -313,7 +313,7 @@ static size_t gart_iommu_unmap(struct iommu_domain *domain, unsigned long iova, gart_set_pte(gart, iova, 0); FLUSH_GART_REGS(gart); spin_unlock_irqrestore(&gart->pte_lock, flags); - return 0; + return bytes; } static phys_addr_t gart_iommu_iova_to_phys(struct iommu_domain *domain, -- cgit v1.2.3