[ATM] br2684: Use seq_list_xxx helpers

The .show callback receives the list_head pointer now, not the struct
br2684_dev one.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 18 deletions

diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 0e9f00c5c899..3e2643893178 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -699,28 +699,13 @@ static struct atm_ioctl br2684_ioctl_ops = {
 #ifdef CONFIG_PROC_FS
 static void *br2684_seq_start(struct seq_file *seq, loff_t *pos)
 {
-        loff_t offs = 0;
-        struct br2684_dev *brd;
-
         read_lock(&devs_lock);
-
-        list_for_each_entry(brd, &br2684_devs, br2684_devs) {
-                if (offs == *pos)
-                        return brd;
-                ++offs;
-        }
-        return NULL;
+        return seq_list_start(&br2684_devs, *pos);
 }
 
 static void *br2684_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-        struct br2684_dev *brd = v;
-
-        ++*pos;
-
-        brd = list_entry(brd->br2684_devs.next,
-                         struct br2684_dev, br2684_devs);
-        return (&brd->br2684_devs != &br2684_devs) ? brd : NULL;
+        return seq_list_next(v, &br2684_devs, pos);
 }
 
 static void br2684_seq_stop(struct seq_file *seq, void *v)
@@ -730,7 +715,8 @@ static void br2684_seq_stop(struct seq_file *seq, void *v)
 
 static int br2684_seq_show(struct seq_file *seq, void *v)
 {
-        const struct br2684_dev *brdev = v;
+        const struct br2684_dev *brdev = list_entry(v, struct br2684_dev,
+                        br2684_devs);
         const struct net_device *net_dev = brdev->net_dev;
         const struct br2684_vcc *brvcc;