pppoe: fix /proc/net/pppoe

If a socket is hashed in last slot of pppoe hash table (PPPOE_HASH_SIZE-1)
we report it many times (up to filling seq buffer)
(Only the last socket of last slot)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index f0031f1..5f20902 100644 (file)
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -1063,6 +1063,7 @@ static void *pppoe_seq_next(struct seq_file *seq, void *v, loff_t *pos)
        else {
                int hash = hash_item(po->pppoe_pa.sid, po->pppoe_pa.remote);
 
+               po = NULL;
                while (++hash < PPPOE_HASH_SIZE) {
                        po = pn->hash_table[hash];
                        if (po)