From 9ce12eb16ffb143f3a509da86283ddd0b10bcdb3 Mon Sep 17 00:00:00 2001 From: Thomas Graf <tgraf@suug.ch> Date: Wed, 13 Aug 2014 16:38:32 +0200 Subject: netlink: Annotate RCU locking for seq_file walker Silences the following sparse warnings: net/netlink/af_netlink.c:2926:21: warning: context imbalance in 'netlink_seq_start' - wrong count at exit net/netlink/af_netlink.c:2972:13: warning: context imbalance in 'netlink_seq_stop' - unexpected unlock Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net> --- net/netlink/af_netlink.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net/netlink') diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 2e152e5f2186..c416725d28c4 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2921,6 +2921,7 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos) } static void *netlink_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(RCU) { rcu_read_lock(); return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN; @@ -2970,6 +2971,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void netlink_seq_stop(struct seq_file *seq, void *v) + __releases(RCU) { rcu_read_unlock(); } -- cgit v1.2.3