From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Tue, 17 Jul 2018 10:53:27 -0700
Subject: netdevsim: allow program sharing between devices
Patch-mainline: v4.19-rc1
Git-commit: 9d1b66b8ae95a0b7c6a12e9d138d41f55e911fde
References: bsc#1109837

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/netdevsim/bpf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/netdevsim/bpf.c
+++ b/drivers/net/netdevsim/bpf.c
@@ -294,7 +294,7 @@ nsim_setup_prog_hw_checks(struct netdevs
 		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;
 	}