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-rw-r--r--vm.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/vm.c b/vm.c
index 181b376..9a099bf 100644
--- a/vm.c
+++ b/vm.c
@@ -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");