git: 9bf31b638b14 - stable/15 - ng_iface: don't recursively enter epoch in the rcvdata method

From: Kevin Bowling <kbowling_at_FreeBSD.org>
Date: Fri, 30 Oct 2026 17:53:20 UTC
The branch stable/15 has been updated by kbowling:

URL: https://cgit.FreeBSD.org/src/commit/?id=9bf31b638b1493264a784076447669f219f14343

commit 9bf31b638b1493264a784076447669f219f14343
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2025-12-17 22:05:53 +0000
Commit:     Kevin Bowling <kbowling@FreeBSD.org>
CommitDate: 2026-10-30 17:53:03 +0000

    ng_iface: don't recursively enter epoch in the rcvdata method
    
    Reviewed by:            p.mousavizadeh_protonmail.com, zlei
    Differential Revision:  https://reviews.freebsd.org/D54241
    
    (cherry picked from commit 104827151e2abc7fe6fb9bf59a12b443657d1506)
---
 sys/netgraph/ng_iface.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/netgraph/ng_iface.c b/sys/netgraph/ng_iface.c
index fbe89e13474b..aa150719dbf9 100644
--- a/sys/netgraph/ng_iface.c
+++ b/sys/netgraph/ng_iface.c
@@ -680,7 +680,6 @@ ng_iface_rcvdata(hook_p hook, item_p item)
 	const priv_p priv = NG_NODE_PRIVATE(NG_HOOK_NODE(hook));
 	const iffam_p iffam = get_iffam_from_hook(priv, hook);
 	struct ifnet *const ifp = priv->ifp;
-	struct epoch_tracker et;
 	struct mbuf *m;
 	int isr;
 
@@ -723,9 +722,7 @@ ng_iface_rcvdata(hook_p hook, item_p item)
 	random_harvest_queue(m, sizeof(*m), RANDOM_NET_NG);
 	M_SETFIB(m, ifp->if_fib);
 	CURVNET_SET(ifp->if_vnet);
-	NET_EPOCH_ENTER(et);
 	netisr_dispatch(isr, m);
-	NET_EPOCH_EXIT(et);
 	CURVNET_RESTORE();
 	return (0);
 }