diff options
-rw-r--r-- | vm.c | 3 |
1 files changed, 1 insertions, 2 deletions
@@ -77,8 +77,7 @@ mappages(pde_t *pgdir, void *va, uint size, uint pa, a = (char *) PGROUNDDOWN((uint) va); last = (char *) PGROUNDDOWN(((uint) va) + size - 1); for(;;){ - pte = walkpgdir(pgdir, a, alloc); - if(pte == 0) + if((pte = walkpgdir(pgdir, a, alloc) == 0) return -1; if(*pte & PTE_P) panic("remap"); |