diff options
| -rw-r--r-- | drivers/iommu/dma-iommu.c | 2 | ||||
| -rw-r--r-- | drivers/iommu/iommu-pages.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 0af1ab36283c..7d2b51a890c7 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -154,6 +154,8 @@ static void fq_ring_free_locked(struct iommu_dma_cookie *cookie, struct iova_fq fq->entries[idx].iova_pfn, fq->entries[idx].pages); + fq->entries[idx].freelist = + IOMMU_PAGES_LIST_INIT(fq->entries[idx].freelist); fq->head = (fq->head + 1) & fq->mod_mask; } } diff --git a/drivers/iommu/iommu-pages.c b/drivers/iommu/iommu-pages.c index 4cc77fddfeeb..238c09e5166b 100644 --- a/drivers/iommu/iommu-pages.c +++ b/drivers/iommu/iommu-pages.c @@ -105,7 +105,9 @@ EXPORT_SYMBOL_GPL(iommu_free_pages); * iommu_put_pages_list - free a list of pages. * @list: The list of pages to be freed * - * Frees a list of pages allocated by iommu_alloc_pages_node_sz(). + * Frees a list of pages allocated by iommu_alloc_pages_node_sz(). On return the + * passed list is invalid, the caller must use IOMMU_PAGES_LIST_INIT to reinit + * the list if it expects to use it again. */ void iommu_put_pages_list(struct iommu_pages_list *list) { |