diff options
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index f63fd0b..9422e7e 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -841,10 +841,12 @@ udp_output(struct inpcb *inp, struct mbuf *m, struct sockaddr *addr, if (src.sin_family == AF_INET || addr != NULL) { INP_INFO_WLOCK(&udbinfo); + INP_WLOCK(inp); unlock_udbinfo = 1; - } else + } else { unlock_udbinfo = 0; - INP_WLOCK(inp); + INP_RLOCK(inp); + } #ifdef MAC mac_inpcb_create_mbuf(inp, m); @@ -975,13 +977,18 @@ udp_output(struct inpcb *inp, struct mbuf *m, struct sockaddr *addr, INP_INFO_WUNLOCK(&udbinfo); error = ip_output(m, inp->inp_options, NULL, ipflags, inp->inp_moptions, inp); - INP_WUNLOCK(inp); + if (unlock_udbinfo) + INP_WUNLOCK(inp); + else + INP_RUNLOCK(inp); return (error); release: - INP_WUNLOCK(inp); - if (unlock_udbinfo) + if (unlock_udbinfo) { INP_INFO_WUNLOCK(&udbinfo); + INP_WUNLOCK(inp); + } else + INP_RUNLOCK(inp); m_freem(m); return (error); } |
