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Diffstat (limited to 'net/core/dev_mcast.c')
-rw-r--r--net/core/dev_mcast.c37
1 files changed, 6 insertions, 31 deletions
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index cec582563e0..f8a3455f449 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -156,39 +156,14 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from)
EXPORT_SYMBOL(dev_mc_unsync);
#ifdef CONFIG_PROC_FS
-static void *dev_mc_seq_start(struct seq_file *seq, loff_t *pos)
- __acquires(dev_base_lock)
-{
- struct net *net = seq_file_net(seq);
- struct net_device *dev;
- loff_t off = 0;
-
- read_lock(&dev_base_lock);
- for_each_netdev(net, dev) {
- if (off++ == *pos)
- return dev;
- }
- return NULL;
-}
-
-static void *dev_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- ++*pos;
- return next_net_device((struct net_device *)v);
-}
-
-static void dev_mc_seq_stop(struct seq_file *seq, void *v)
- __releases(dev_base_lock)
-{
- read_unlock(&dev_base_lock);
-}
-
-
static int dev_mc_seq_show(struct seq_file *seq, void *v)
{
struct dev_addr_list *m;
struct net_device *dev = v;
+ if (v == SEQ_START_TOKEN)
+ return 0;
+
netif_tx_lock_bh(dev);
for (m = dev->mc_list; m; m = m->next) {
int i;
@@ -206,9 +181,9 @@ static int dev_mc_seq_show(struct seq_file *seq, void *v)
}
static const struct seq_operations dev_mc_seq_ops = {
- .start = dev_mc_seq_start,
- .next = dev_mc_seq_next,
- .stop = dev_mc_seq_stop,
+ .start = dev_seq_start,
+ .next = dev_seq_next,
+ .stop = dev_seq_stop,
.show = dev_mc_seq_show,
};