fix bug when load failed

CCXXXI · Jan 10, 2021 · 14a7248 · 14a7248
1 parent 72e39c0
commit 14a7248
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/userprog/process.c b/src/userprog/process.c
@@ -232,9 +232,11 @@ void process_exit(void)
     self->thread = NULL;
     self->status = PROCESS_EXITED;
 
-    ASSERT(self->file != NULL);
-    file_allow_write(self->file);
-    file_close(self->file);
+    if (self->file != NULL)
+    {
+        file_allow_write(self->file);
+        file_close(self->file);
+    }
 
     sema_up(&self->sema_wait);
 }