diff options
Diffstat (limited to 'sys/kern/uipc_socket.c')
| -rw-r--r-- | sys/kern/uipc_socket.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index f5299fd..b741f41 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -1388,7 +1388,13 @@ dontblock: } SBLASTRECORDCHK(&so->so_rcv); SBLASTMBUFCHK(&so->so_rcv); - if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) { + /* + * If soreceive() is being done from the socket callback, then + * don't need to generate ACK to peer to update window, since + * ACK will be generated on return to TCP. + */ + if (!(flags & MSG_SOCALLBCK) && + (pr->pr_flags & PR_WANTRCVD) && so->so_pcb) { SOCKBUF_UNLOCK(&so->so_rcv); (*pr->pr_usrreqs->pru_rcvd)(so, flags); SOCKBUF_LOCK(&so->so_rcv); |
