thanks mataness

2018-08-30 13:30:50 -04:00 · 2018-08-30 13:30:50 -04:00 · 171c2cc6b8
parent 26108a3b99
commit 171c2cc6b8
1 changed files with 3 additions and 1 deletions
--- a/vm.c
+++ b/vm.c
@ -332,8 +332,10 @@ copyuvm(pde_t *pgdir, uint sz)
    if((mem = kalloc()) == 0)
      goto bad;
    memmove(mem, (char*)P2V(pa), PGSIZE);
-    if(mappages(d, (void*)i, PGSIZE, V2P(mem), flags) < 0)
+    if(mappages(d, (void*)i, PGSIZE, V2P(mem), flags) < 0) {
+      kfree(mem);
      goto bad;
+    }
  }
  return d;