ipv6: addrconf: do not block BH in /proc/net/if_inet6 handling

Table is really RCU protected, no need to block BH

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 6c1e7ff..9232e95 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4097,9 +4097,9 @@ struct if6_iter_state {
 
 static struct inet6_ifaddr *if6_get_first(struct seq_file *seq, loff_t pos)
 {
-       struct inet6_ifaddr *ifa = NULL;
        struct if6_iter_state *state = seq->private;
        struct net *net = seq_file_net(seq);
+       struct inet6_ifaddr *ifa = NULL;
        int p = 0;
 
        /* initial bucket if pos is 0 */
@@ -4109,7 +4109,7 @@ static struct inet6_ifaddr *if6_get_first(struct seq_file *seq, loff_t pos)
        }
 
        for (; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) {
-               hlist_for_each_entry_rcu_bh(ifa, &inet6_addr_lst[state->bucket],
+               hlist_for_each_entry_rcu(ifa, &inet6_addr_lst[state->bucket],
                                         addr_lst) {
                        if (!net_eq(dev_net(ifa->idev->dev), net))
                                continue;
@@ -4135,7 +4135,7 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
        struct if6_iter_state *state = seq->private;
        struct net *net = seq_file_net(seq);
 
-       hlist_for_each_entry_continue_rcu_bh(ifa, addr_lst) {
+       hlist_for_each_entry_continue_rcu(ifa, addr_lst) {
                if (!net_eq(dev_net(ifa->idev->dev), net))
                        continue;
                state->offset++;
@@ -4144,7 +4144,7 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
 
        while (++state->bucket < IN6_ADDR_HSIZE) {
                state->offset = 0;
-               hlist_for_each_entry_rcu_bh(ifa,
+               hlist_for_each_entry_rcu(ifa,
                                     &inet6_addr_lst[state->bucket], addr_lst) {
                        if (!net_eq(dev_net(ifa->idev->dev), net))
                                continue;
@@ -4157,9 +4157,9 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
 }
 
 static void *if6_seq_start(struct seq_file *seq, loff_t *pos)
-       __acquires(rcu_bh)
+       __acquires(rcu)
 {
-       rcu_read_lock_bh();
+       rcu_read_lock();
        return if6_get_first(seq, *pos);
 }
 
@@ -4173,9 +4173,9 @@ static void *if6_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void if6_seq_stop(struct seq_file *seq, void *v)
-       __releases(rcu_bh)
+       __releases(rcu)
 {
-       rcu_read_unlock_bh();
+       rcu_read_unlock();
 }
 
 static int if6_seq_show(struct seq_file *seq, void *v)