Fix kpatch_process_init/kpatch_coroutines_free

Author: Roman Rashchupkin

src/kpatch_coro.c

@@ -622,7 +622,8 @@ void kpatch_coroutines_free(struct kpatch_process *proc)
 	if (proc->coro.unwd)
 		unw_destroy_addr_space(proc->coro.unwd);
 
-	list_for_each_entry_safe(c, tmp, &proc->coro.coros, list) {
-		kpatch_coro_free(c);
-	}
+	if (!list_empty(&proc->coro.coros))
+		list_for_each_entry_safe(c, tmp, &proc->coro.coros, list) {
+			kpatch_coro_free(c);
+		}
 }

src/kpatch_process.c

@@ -1121,10 +1121,10 @@ kpatch_process_init(kpatch_process_t *proc,
 	list_init(&proc->vmaholes);
 	proc->num_objs = 0;
 
-	if (process_get_comm(proc))
-		goto out_unlock;
 	if (kpatch_coroutines_init(proc))
 		goto out_unlock;
+	if (process_get_comm(proc))
+		goto out_unlock;
 
 	return 0;