diff options
Diffstat (limited to 'net/core/filter.c')
-rw-r--r-- | net/core/filter.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index e94355452166..1a9ded6af138 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -430,6 +430,10 @@ do_pass: convert_bpf_extensions(fp, &insn)) break; + if (fp->code == (BPF_ALU | BPF_DIV | BPF_X) || + fp->code == (BPF_ALU | BPF_MOD | BPF_X)) + *insn++ = BPF_MOV32_REG(BPF_REG_X, BPF_REG_X); + *insn = BPF_RAW_INSN(fp->code, BPF_REG_A, BPF_REG_X, 0, fp->k); break; @@ -984,7 +988,9 @@ static struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp) */ goto out_err_free; - bpf_prog_select_runtime(fp); + err = bpf_prog_select_runtime(fp); + if (err) + goto out_err_free; kfree(old_prog); return fp; |