diff options
| -rw-r--r-- | net/packet/af_packet.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c30d14781576..fd5164139bf0 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1389,7 +1389,7 @@ static unsigned int fanout_demux_rollover(struct packet_fanout *f, unsigned int idx, bool try_self, unsigned int num) { - struct packet_sock *po, *po_next; + struct packet_sock *po, *po_next, *po_skip = NULL; unsigned int i, j, room = ROOM_NONE; po = pkt_sk(f->arr[idx]); @@ -1399,12 +1399,13 @@ static unsigned int fanout_demux_rollover(struct packet_fanout *f, if (room == ROOM_NORMAL || (room == ROOM_LOW && !fanout_flow_is_huge(po, skb))) return idx; + po_skip = po; } i = j = min_t(int, po->rollover->sock, num - 1); do { po_next = pkt_sk(f->arr[i]); - if (po_next != po && !po_next->pressure && + if (po_next != po_skip && !po_next->pressure && packet_rcv_has_room(po_next, skb) == ROOM_NORMAL) { if (i != j) po->rollover->sock = i; @@ -1549,7 +1550,8 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) if (po->fanout) return -EALREADY; - if (type_flags & PACKET_FANOUT_FLAG_ROLLOVER) { + if (type == PACKET_FANOUT_ROLLOVER || + (type_flags & PACKET_FANOUT_FLAG_ROLLOVER)) { po->rollover = kzalloc(sizeof(*po->rollover), GFP_KERNEL); if (!po->rollover) return -ENOMEM; |