diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/socket.c b/net/socket.c index 22a412fdec07..c2698a1441a7 100644 --- a/net/socket.c +++ b/net/socket.c @@ -852,12 +852,13 @@ EXPORT_SYMBOL(kernel_sendmsg); static bool skb_is_err_queue(const struct sk_buff *skb) { - /* pkt_type of skbs enqueued on the error queue are set to - * PACKET_OUTGOING in skb_set_err_queue(). This is only safe to do - * in recvmsg, since skbs received on a local socket will never - * have a pkt_type of PACKET_OUTGOING. + /* Error-queue skbs are marked as PACKET_OUTGOING in + * skb_set_err_queue() and use the destructor installed by + * sock_queue_err_skb(). PACKET_OUTGOING alone is not unique: + * AF_PACKET outgoing taps use the same pkt_type. */ - return skb->pkt_type == PACKET_OUTGOING; + return skb->pkt_type == PACKET_OUTGOING && + skb->destructor == sock_rmem_free; } /* On transmit, software and hardware timestamps are returned independently. |