diff options
| -rw-r--r-- | sys/netgraph/ng_ksocket.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/netgraph/ng_ksocket.c b/sys/netgraph/ng_ksocket.c index d311beb..3d21798 100644 --- a/sys/netgraph/ng_ksocket.c +++ b/sys/netgraph/ng_ksocket.c @@ -897,6 +897,12 @@ ng_ksocket_rcvdata(hook_p hook, item_p item) struct mbuf *m; struct sa_tag *stag; + /* Avoid reentrantly sending on the socket */ + if (SOCKBUF_OWNED(&so->so_snd)) { + NG_FREE_ITEM(item); + return (EDEADLK); + } + /* Extract data */ NGI_GET_M(item, m); NG_FREE_ITEM(item); |
