diff options
Diffstat (limited to 'sys/net/bpf.c')
| -rw-r--r-- | sys/net/bpf.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index ce83e4a..cb3ed27 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -856,9 +856,14 @@ bpfread(struct cdev *dev, struct uio *uio, int ioflag) callout_stop(&d->bd_callout); timed_out = (d->bd_state == BPF_TIMED_OUT); d->bd_state = BPF_IDLE; - while (d->bd_hbuf_in_use) - mtx_sleep(&d->bd_hbuf_in_use, &d->bd_lock, + while (d->bd_hbuf_in_use) { + error = mtx_sleep(&d->bd_hbuf_in_use, &d->bd_lock, PRINET|PCATCH, "bd_hbuf", 0); + if (error != 0) { + BPFD_UNLOCK(d); + return (error); + } + } /* * If the hold buffer is empty, then do a timed sleep, which * ends when the timeout expires or when enough packets |
