cxgbe/t4_tom: Mark the socket's receive as done before calling

handle_ddp_close.

This eliminates a bad race where an aio_ddp_requeue that happened to run
after handle_ddp_close could bump up the active count.

Discussed with:	jhb@
MFC after:	3 days
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2019-06-28 04:02:56 +00:00
parent b7acf27c2e
commit d49be2a696

View File

@ -1253,6 +1253,7 @@ do_peer_close(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
tp->rcv_nxt++; /* FIN */
so = inp->inp_socket;
socantrcvmore(so);
if (toep->ulp_mode == ULP_MODE_TCPDDP) {
DDP_LOCK(toep);
if (__predict_false(toep->ddp.flags &
@ -1260,7 +1261,6 @@ do_peer_close(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
handle_ddp_close(toep, tp, cpl->rcv_nxt);
DDP_UNLOCK(toep);
}
socantrcvmore(so);
if (toep->ulp_mode != ULP_MODE_RDMA) {
KASSERT(tp->rcv_nxt == be32toh(cpl->rcv_nxt),