From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/net/xdp/xsk.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/kernel/net/xdp/xsk.c b/kernel/net/xdp/xsk.c
index 691841d..d04f91f 100644
--- a/kernel/net/xdp/xsk.c
+++ b/kernel/net/xdp/xsk.c
@@ -667,6 +667,7 @@
struct sock *sk = sock->sk;
struct xdp_sock *xs = xdp_sk(sk);
struct net_device *dev;
+ int bound_dev_if;
u32 flags, qid;
int err = 0;
@@ -680,6 +681,10 @@
XDP_USE_NEED_WAKEUP))
return -EINVAL;
+ bound_dev_if = READ_ONCE(sk->sk_bound_dev_if);
+ if (bound_dev_if && bound_dev_if != sxdp->sxdp_ifindex)
+ return -EINVAL;
+
rtnl_lock();
mutex_lock(&xs->mutex);
if (xs->state != XSK_READY) {
--
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