diff options
Diffstat (limited to 'sys/net/bpf.c')
| -rw-r--r-- | sys/net/bpf.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index cc73e00..914dad6 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -1984,10 +1984,10 @@ filt_bpfread(struct knote *kn, long hint) ready = bpf_ready(d); if (ready) { kn->kn_data = d->bd_slen; - while (d->bd_hbuf_in_use) - mtx_sleep(&d->bd_hbuf_in_use, &d->bd_lock, - PRINET, "bd_hbuf", 0); - if (d->bd_hbuf) + /* + * Ignore the hold buffer if it is being copied to user space. + */ + if (!d->bd_hbuf_in_use && d->bd_hbuf) kn->kn_data += d->bd_hlen; } else if (d->bd_rtout > 0 && d->bd_state == BPF_IDLE) { callout_reset(&d->bd_callout, d->bd_rtout, |
