diff --git a/mm/usercopy.c b/mm/usercopy.c index ac8a093e90c1..baeacc735b83 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -163,9 +163,6 @@ static inline void check_heap_object(const void *ptr, unsigned long n, { struct folio *folio; - if (!virt_addr_valid(ptr)) - return; - if (is_kmap_addr(ptr)) { unsigned long page_end = (unsigned long)ptr | (PAGE_SIZE - 1); @@ -190,6 +187,9 @@ static inline void check_heap_object(const void *ptr, unsigned long n, return; } + if (!virt_addr_valid(ptr)) + return; + folio = virt_to_folio(ptr); if (folio_test_slab(folio)) {