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path: root/drivers/net/ethernet/netronome/nfp/bpf/offload.c
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/offload.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/offload.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/offload.c b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
index 877c1b8f95e2..55c7dbf8b421 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/offload.c
@@ -220,6 +220,10 @@ static int nfp_bpf_translate(struct bpf_prog *prog)
unsigned int max_instr;
int err;
+ /* We depend on dead code elimination succeeding */
+ if (prog->aux->offload->opt_failed)
+ return -EINVAL;
+
max_instr = nn_readw(nn, NFP_NET_CFG_BPF_MAX_LEN);
nfp_prog->__prog_alloc_len = max_instr * sizeof(u64);
@@ -593,6 +597,7 @@ const struct bpf_prog_offload_ops nfp_bpf_dev_ops = {
.insn_hook = nfp_verify_insn,
.finalize = nfp_bpf_finalize,
.replace_insn = nfp_bpf_opt_replace_insn,
+ .remove_insns = nfp_bpf_opt_remove_insns,
.prepare = nfp_bpf_verifier_prep,
.translate = nfp_bpf_translate,
.destroy = nfp_bpf_destroy,