@@ -89,15 +89,23 @@ static struct devres_group * node_to_group(struct devres_node *node)
return NULL;
}
+static bool check_dr_size(size_t size, size_t *tot_size)
+{
+ /* We must catch any near-SIZE_MAX cases that could overflow. */
+ if (unlikely(check_add_overflow(sizeof(struct devres),
+ size, tot_size)))
+ return false;
+
+ return true;
+}
+
static __always_inline struct devres * alloc_dr(dr_release_t release,
size_t size, gfp_t gfp, int nid)
{
size_t tot_size;
struct devres *dr;
- /* We must catch any near-SIZE_MAX cases that could overflow. */
- if (unlikely(check_add_overflow(sizeof(struct devres), size,
- &tot_size)))
+ if (!check_dr_size(size, &tot_size))
return NULL;
dr = kmalloc_node_track_caller(tot_size, gfp, nid);