diff options
Diffstat (limited to 'drivers/iommu/iova.c')
| -rw-r--r-- | drivers/iommu/iova.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index 33edfa794ae9..f129ff4f5c89 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -342,15 +342,12 @@ private_find_iova(struct iova_domain *iovad, unsigned long pfn) while (node) { struct iova *iova = rb_entry(node, struct iova, node); - /* If pfn falls within iova's range, return iova */ - if ((pfn >= iova->pfn_lo) && (pfn <= iova->pfn_hi)) { - return iova; - } - if (pfn < iova->pfn_lo) node = node->rb_left; - else if (pfn > iova->pfn_lo) + else if (pfn > iova->pfn_hi) node = node->rb_right; + else + return iova; /* pfn falls within iova's range */ } return NULL; |