diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/verifier.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/verifier.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c index 40619efea77d..486ffd1d5913 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/verifier.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/verifier.c @@ -414,16 +414,16 @@ nfp_bpf_check_xadd(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, dreg->type); return -EOPNOTSUPP; } - if (sreg->type != SCALAR_VALUE || - sreg->var_off.value > 0xffff || sreg->var_off.mask > 0xffff) { - char tn_buf[48]; - - tnum_strn(tn_buf, sizeof(tn_buf), sreg->var_off); - pr_vlog(env, "atomic add not of a small constant scalar: %s\n", - tn_buf); + if (sreg->type != SCALAR_VALUE) { + pr_vlog(env, "atomic add not of a scalar: %d\n", sreg->type); return -EOPNOTSUPP; } + meta->xadd_over_16bit |= + sreg->var_off.value > 0xffff || sreg->var_off.mask > 0xffff; + meta->xadd_maybe_16bit |= + (sreg->var_off.value & ~sreg->var_off.mask) <= 0xffff; + return nfp_bpf_check_ptr(nfp_prog, meta, env, meta->insn.dst_reg); } |