From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file

---
 kernel/fs/char_dev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/fs/char_dev.c b/kernel/fs/char_dev.c
index ba0ded7..3f66729 100644
--- a/kernel/fs/char_dev.c
+++ b/kernel/fs/char_dev.c
@@ -547,7 +547,7 @@
 	}
 
 	rc = device_add(dev);
-	if (rc)
+	if (rc && dev->devt)
 		cdev_del(cdev);
 
 	return rc;

--
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