1 files changed, 7 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 09525a27319c..5e2ba133fba7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7143,6 +7143,13 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
                                              bpf_op == ops->ndo_bpf);
                 if (IS_ERR(prog))
                         return PTR_ERR(prog);
+
+                if (!(flags & XDP_FLAGS_HW_MODE) &&
+                    bpf_prog_is_dev_bound(prog->aux)) {
+                        NL_SET_ERR_MSG(extack, "using device-bound program without HW_MODE flag is not supported");
+                        bpf_prog_put(prog);
+                        return -EINVAL;
+                }
         }
 
         err = dev_xdp_install(dev, bpf_op, extack, flags, prog);