diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/dev_mcast.c | 37 |
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) | |||
156 | EXPORT_SYMBOL(dev_mc_unsync); | 156 | EXPORT_SYMBOL(dev_mc_unsync); |
157 | 157 | ||
158 | #ifdef CONFIG_PROC_FS | 158 | #ifdef CONFIG_PROC_FS |
159 | static void *dev_mc_seq_start(struct seq_file *seq, loff_t *pos) | ||
160 | __acquires(dev_base_lock) | ||
161 | { | ||
162 | struct net *net = seq_file_net(seq); | ||
163 | struct net_device *dev; | ||
164 | loff_t off = 0; | ||
165 | |||
166 | read_lock(&dev_base_lock); | ||
167 | for_each_netdev(net, dev) { | ||
168 | if (off++ == *pos) | ||
169 | return dev; | ||
170 | } | ||
171 | return NULL; | ||
172 | } | ||
173 | |||
174 | static void *dev_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos) | ||
175 | { | ||
176 | ++*pos; | ||
177 | return next_net_device((struct net_device *)v); | ||
178 | } | ||
179 | |||
180 | static void dev_mc_seq_stop(struct seq_file *seq, void *v) | ||
181 | __releases(dev_base_lock) | ||
182 | { | ||
183 | read_unlock(&dev_base_lock); | ||
184 | } | ||
185 | |||
186 | |||
187 | static int dev_mc_seq_show(struct seq_file *seq, void *v) | 159 | static int dev_mc_seq_show(struct seq_file *seq, void *v) |
188 | { | 160 | { |
189 | struct dev_addr_list *m; | 161 | struct dev_addr_list *m; |
190 | struct net_device *dev = v; | 162 | struct net_device *dev = v; |
191 | 163 | ||
164 | if (v == SEQ_START_TOKEN) | ||
165 | return 0; | ||
166 | |||
192 | netif_tx_lock_bh(dev); | 167 | netif_tx_lock_bh(dev); |
193 | for (m = dev->mc_list; m; m = m->next) { | 168 | for (m = dev->mc_list; m; m = m->next) { |
194 | int i; | 169 | int i; |
@@ -206,9 +181,9 @@ static int dev_mc_seq_show(struct seq_file *seq, void *v) | |||
206 | } | 181 | } |
207 | 182 | ||
208 | static const struct seq_operations dev_mc_seq_ops = { | 183 | static const struct seq_operations dev_mc_seq_ops = { |
209 | .start = dev_mc_seq_start, | 184 | .start = dev_seq_start, |
210 | .next = dev_mc_seq_next, | 185 | .next = dev_seq_next, |
211 | .stop = dev_mc_seq_stop, | 186 | .stop = dev_seq_stop, |
212 | .show = dev_mc_seq_show, | 187 | .show = dev_mc_seq_show, |
213 | }; | 188 | }; |
214 | 189 | ||