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-rw-r--r--lib/flex_array.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/flex_array.c b/lib/flex_array.c
index 6948a6692fc..2eed22fa507 100644
--- a/lib/flex_array.c
+++ b/lib/flex_array.c
@@ -90,8 +90,8 @@ struct flex_array *flex_array_alloc(int element_size, unsigned int total,
{
struct flex_array *ret;
int elems_per_part = 0;
- int reciprocal_elems = 0;
int max_size = 0;
+ struct reciprocal_value reciprocal_elems = { 0 };
if (element_size) {
elems_per_part = FLEX_ARRAY_ELEMENTS_PER_PART(element_size);
@@ -119,6 +119,11 @@ EXPORT_SYMBOL(flex_array_alloc);
static int fa_element_to_part_nr(struct flex_array *fa,
unsigned int element_nr)
{
+ /*
+ * if element_size == 0 we don't get here, so we never touch
+ * the zeroed fa->reciprocal_elems, which would yield invalid
+ * results
+ */
return reciprocal_divide(element_nr, fa->reciprocal_elems);
}