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-rw-r--r--drivers/iommu/iova.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 47d1983dfa2a..580fdf669922 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -661,9 +661,6 @@ iova_magazine_free_pfns(struct iova_magazine *mag, struct iova_domain *iovad)
unsigned long flags;
int i;
- if (!mag)
- return;
-
spin_lock_irqsave(&iovad->iova_rbtree_lock, flags);
for (i = 0 ; i < mag->size; ++i) {
@@ -683,12 +680,12 @@ iova_magazine_free_pfns(struct iova_magazine *mag, struct iova_domain *iovad)
static bool iova_magazine_full(struct iova_magazine *mag)
{
- return (mag && mag->size == IOVA_MAG_SIZE);
+ return mag->size == IOVA_MAG_SIZE;
}
static bool iova_magazine_empty(struct iova_magazine *mag)
{
- return (!mag || mag->size == 0);
+ return mag->size == 0;
}
static unsigned long iova_magazine_pop(struct iova_magazine *mag,