The nf_nat_irc_hook is an RCU-protected pointer but lacks the proper __rcu annotation. Add the annotation to ensure the declaration correctly reflects its usage via rcu_dereference(). Suggested-by: Florian Westphal Signed-off-by: Sun Jian --- include/linux/netfilter/nf_conntrack_irc.h | 2 +- net/netfilter/nf_conntrack_irc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/netfilter/nf_conntrack_irc.h b/include/linux/netfilter/nf_conntrack_irc.h index d02255f721e1..4f3ca5621998 100644 --- a/include/linux/netfilter/nf_conntrack_irc.h +++ b/include/linux/netfilter/nf_conntrack_irc.h @@ -8,7 +8,7 @@ #define IRC_PORT 6667 -extern unsigned int (*nf_nat_irc_hook)(struct sk_buff *skb, +extern unsigned int (__rcu *nf_nat_irc_hook)(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int protoff, unsigned int matchoff, diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c index 5703846bea3b..76c007530b3c 100644 --- a/net/netfilter/nf_conntrack_irc.c +++ b/net/netfilter/nf_conntrack_irc.c @@ -30,7 +30,7 @@ static unsigned int dcc_timeout __read_mostly = 300; static char *irc_buffer; static DEFINE_SPINLOCK(irc_buffer_lock); -unsigned int (*nf_nat_irc_hook)(struct sk_buff *skb, +unsigned int (__rcu *nf_nat_irc_hook)(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int protoff, unsigned int matchoff, -- 2.43.0