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Revert one half of previous change r357558. Don't enter the epoch on

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sends to control socket.  Control socket messages can run constructors
of nodes and other stuff that is allowed to M_WAITOK.

PR:		244241
This commit is contained in:
glebius 2020-02-21 04:10:41 +00:00
parent a2726e34c6
commit 977bcbb1e0
1 changed files with 0 additions and 3 deletions
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3
sys/netgraph/ng_socket.c
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@ -219,7 +219,6 @@ static int
ngc_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
struct mbuf *control, struct thread *td)
{
struct epoch_tracker et;
struct ngpcb *const pcbp = sotongpcb(so);
struct ngsock *const priv = NG_NODE_PRIVATE(pcbp->sockdata->node);
struct sockaddr_ng *const sap = (struct sockaddr_ng *) addr;
@ -338,9 +337,7 @@ ngc_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
item->apply = &apply;
priv->error = -1;
NET_EPOCH_ENTER(et);
error = ng_snd_item(item, 0);
NET_EPOCH_EXIT(et);
mtx_lock(&priv->mtx);
if (priv->error == -1)