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/net/ipv4/fib_trie.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/net/ipv4/fib_trie.c b/kernel/net/ipv4/fib_trie.c
index d11fb16..456240d 100644
--- a/kernel/net/ipv4/fib_trie.c
+++ b/kernel/net/ipv4/fib_trie.c
@@ -1534,7 +1534,8 @@
 		}
 		if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos)
 			continue;
-		if (fi->fib_dead)
+		/* Paired with WRITE_ONCE() in fib_release_info() */
+		if (READ_ONCE(fi->fib_dead))
 			continue;
 		if (fa->fa_info->fib_scope < flp->flowi4_scope)
 			continue;

--
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