Optimize XiZi_AIoT FS fd allocation.

2024-05-09 16:01:43 +08:00
parent 16a53d4e80
commit b6dd58c629
4 changed files with 8 additions and 7 deletions
--- a/Ubiquitous/XiZi_AIoT/softkernel/memory/pagetable_level2.c
+++ b/Ubiquitous/XiZi_AIoT/softkernel/memory/pagetable_level2.c
@@ -53,7 +53,7 @@ uintptr_t* _page_walk(uintptr_t* pgdir, uintptr_t vaddr, bool alloc)
        pgtbl_vaddr = (uintptr_t*)P2V(pgtbl_paddr);
    } else {
        if (!alloc || !(pgtbl_vaddr = (uintptr_t*)kalloc(sizeof(uintptr_t) * NUM_LEVEL4_PTE))) {
-            return 0;
+            return NULL;
        }

        memset(pgtbl_vaddr, 0, sizeof(uintptr_t) * NUM_LEVEL4_PTE);