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-rw-r--r--net/core/dev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 8c6d5cf8a308..ecbe419e05ab 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8033,11 +8033,13 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
enum bpf_netdev_command query;
struct bpf_prog *prog = NULL;
bpf_op_t bpf_op, bpf_chk;
+ bool offload;
int err;
ASSERT_RTNL();
- query = flags & XDP_FLAGS_HW_MODE ? XDP_QUERY_PROG_HW : XDP_QUERY_PROG;
+ offload = flags & XDP_FLAGS_HW_MODE;
+ query = offload ? XDP_QUERY_PROG_HW : XDP_QUERY_PROG;
bpf_op = bpf_chk = ops->ndo_bpf;
if (!bpf_op && (flags & (XDP_FLAGS_DRV_MODE | XDP_FLAGS_HW_MODE))) {
@@ -8050,8 +8052,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
bpf_chk = generic_xdp_install;
if (fd >= 0) {
- if (__dev_xdp_query(dev, bpf_chk, XDP_QUERY_PROG) ||
- __dev_xdp_query(dev, bpf_chk, XDP_QUERY_PROG_HW)) {
+ if (!offload && __dev_xdp_query(dev, bpf_chk, XDP_QUERY_PROG)) {
NL_SET_ERR_MSG(extack, "native and generic XDP can't be active at the same time");
return -EEXIST;
}
@@ -8066,8 +8067,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
if (IS_ERR(prog))
return PTR_ERR(prog);
- if (!(flags & XDP_FLAGS_HW_MODE) &&
- bpf_prog_is_dev_bound(prog->aux)) {
+ if (!offload && 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;