From ab74da4bfff9d37b7b5f5f98bda7edfc2ebc3ea6 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 7 Apr 2022 22:33:03 +0200
Subject: kernel/vfs: fix panic when using an user fs which hadn't yet wait()ed

---
 src/init/stdlib.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/init/stdlib.c')

diff --git a/src/init/stdlib.c b/src/init/stdlib.c
index e8b3f97..839b8f5 100644
--- a/src/init/stdlib.c
+++ b/src/init/stdlib.c
@@ -10,6 +10,8 @@ int printf(const char *fmt, ...) {
 	int total = 0;
 	va_list argp;
 	va_start(argp, fmt);
+	if (__tty_fd < 0) return 0;
+
 	for (;;) {
 		char c = *fmt++;
 		switch (c) {
-- 
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