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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

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Daniel Borkmann says:

====================
pull-request: bpf 2023-07-05

We've added 2 non-merge commits during the last 1 day(s) which contain
a total of 3 files changed, 16 insertions(+), 4 deletions(-).

The main changes are:

1) Fix BTF to warn but not returning an error for a NULL BTF to still be
   able to load modules under CONFIG_DEBUG_INFO_BTF, from SeongJae Park.

2) Fix xsk sockets to honor SO_BINDTODEVICE in bind(), from Ilya Maximets.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  xsk: Honor SO_BINDTODEVICE on bind
  bpf, btf: Warn but return no error for NULL btf from __register_btf_kfunc_id_set()
====================

Link: https://lore.kernel.org/r/20230705171716.6494-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2023-07-05 10:57:13 -07:00
parent c451410ca7 f7306acec9
commit fdaff05b4a
3 changed files with 16 additions and 4 deletions
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5
net/xdp/xsk.c
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@@ -886,6 +886,7 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
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;
@@ -899,6 +900,10 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
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) {