| Message ID | 1476278544-3397-2-git-send-email-eric.auger@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index e23001b..ee29dbf 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -147,7 +147,7 @@ move_left: if (!curr) { if (size_aligned) pad_size = iova_get_pad_size(size, limit_pfn); - if ((iovad->start_pfn + size + pad_size) > limit_pfn) { + if ((iovad->start_pfn + size + pad_size - 1) > limit_pfn) { spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags); return -ENOMEM; }
Fix the size check within start_pfn and limit_pfn. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- the issue was observed when playing with 1 page iova domain with higher iova reserved. --- drivers/iommu/iova.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)