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-rw-r--r--drivers/infiniband/hw/mthca/mthca_allocator.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c
index 9ba3211cef7c..848e583273d4 100644
--- a/drivers/infiniband/hw/mthca/mthca_allocator.c
+++ b/drivers/infiniband/hw/mthca/mthca_allocator.c
@@ -144,7 +144,9 @@ void mthca_array_clear(struct mthca_array *array, int index)
if (--array->page_list[p].used == 0) {
free_page((unsigned long) array->page_list[p].page);
array->page_list[p].page = NULL;
- }
+ } else
+ array->page_list[p].page[index & (PAGE_SIZE /
+ sizeof (void *) - 1)] = NULL;
if (array->page_list[p].used < 0)
pr_debug("Array %p index %d page %d with ref count %d < 0\n",