diff --git a/mm/memory.c b/mm/memory.c
index 87ec87cdc1ff1a096243fd7c9beec1c431dbd556..3ecad55103adb89bc6ff213e6ce617745a966990 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1601,7 +1601,7 @@ int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr,
 	return insert_pages(vma, addr, pages, num, vma->vm_page_prot);
 #else
 	unsigned long idx = 0, pgcount = *num;
-	int err;
+	int err = -EINVAL;
 
 	for (; idx < pgcount; ++idx) {
 		err = vm_insert_page(vma, addr + (PAGE_SIZE * idx), pages[idx]);