From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Tue, 17 Jul 2018 17:53:27 +0000 (-0700)
Subject: netdevsim: allow program sharing between devices
X-Git-Tag: v4.19-rc1~140^2~306^2^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9d1b66b8ae95a0b7c6a12e9d138d41f55e911fde;p=thirdparty%2Fkernel%2Flinux.git

netdevsim: allow program sharing between devices

Allow program sharing between devices which were linked together.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
---

diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c
index 9eab29f67a0ee..81444208b2162 100644
--- a/drivers/net/netdevsim/bpf.c
+++ b/drivers/net/netdevsim/bpf.c
@@ -294,7 +294,7 @@ nsim_setup_prog_hw_checks(struct netdevsim *ns, struct netdev_bpf *bpf)
 		NSIM_EA(bpf->extack, "xdpoffload of non-bound program");
 		return -EINVAL;
 	}
-	if (bpf->prog->aux->offload->netdev != ns->netdev) {
+	if (!bpf_offload_dev_match(bpf->prog, ns->netdev)) {
 		NSIM_EA(bpf->extack, "program bound to different dev");
 		return -EINVAL;
 	}