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/fs_context.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/fs/fs_context.c b/kernel/fs/fs_context.c
index 740322d..e6ef7e0 100644
--- a/kernel/fs/fs_context.c
+++ b/kernel/fs/fs_context.c
@@ -543,7 +543,8 @@
 			return -ENOMEM;
 	}
 
-	ctx->legacy_data[size++] = ',';
+	if (size)
+		ctx->legacy_data[size++] = ',';
 	len = strlen(param->key);
 	memcpy(ctx->legacy_data + size, param->key, len);
 	size += len;

--
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