From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 30 Nov 2021 10:37:15 +0000 (+0100)
Subject: kernel: fix RCU issue in xt_FLOWOFFLOAD patch
X-Git-Tag: v22.03.0-rc1~991
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=3b20eb185b2a45681fa9e2d31b9844458d5a72d2;p=openwrt%2Fopenwrt.git

kernel: fix RCU issue in xt_FLOWOFFLOAD patch

cond_resched() may not be called in a rcu-locked section

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/target/linux/generic/hack-5.10/650-netfilter-add-xt_FLOWOFFLOAD-target.patch b/target/linux/generic/hack-5.10/650-netfilter-add-xt_FLOWOFFLOAD-target.patch
index 77c24ccc7a..bda8d06b7c 100644
--- a/target/linux/generic/hack-5.10/650-netfilter-add-xt_FLOWOFFLOAD-target.patch
+++ b/target/linux/generic/hack-5.10/650-netfilter-add-xt_FLOWOFFLOAD-target.patch
@@ -98,7 +98,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  obj-$(CONFIG_NETFILTER_XT_TARGET_LED) += xt_LED.o
 --- /dev/null
 +++ b/net/netfilter/xt_FLOWOFFLOAD.c
-@@ -0,0 +1,658 @@
+@@ -0,0 +1,656 @@
 +/*
 + * Copyright (C) 2018-2021 Felix Fietkau <nbd@nbd.name>
 + *
@@ -278,8 +278,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +		hook->used = true;
 +	}
 +	spin_unlock_bh(&hooks_lock);
-+
-+	cond_resched();
 +}
 +
 +static void