diff options
Diffstat (limited to 'sys/net/bpf_zerocopy.c')
-rw-r--r-- | sys/net/bpf_zerocopy.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/net/bpf_zerocopy.c b/sys/net/bpf_zerocopy.c index 1b32629..b060f4d 100644 --- a/sys/net/bpf_zerocopy.c +++ b/sys/net/bpf_zerocopy.c @@ -515,14 +515,14 @@ bpf_zerocopy_ioctl_rotzbuf(struct thread *td, struct bpf_d *d, struct zbuf *bzh; bzero(bz, sizeof(*bz)); - BPFD_LOCK(d); + BPFD_WLOCK(d); if (d->bd_hbuf == NULL && d->bd_slen != 0) { ROTATE_BUFFERS(d); bzh = (struct zbuf *)d->bd_hbuf; bz->bz_bufa = (void *)bzh->zb_uaddr; bz->bz_buflen = d->bd_hlen; } - BPFD_UNLOCK(d); + BPFD_WUNLOCK(d); return (0); } @@ -570,10 +570,10 @@ bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d, * We only allow buffers to be installed once, so atomically check * that no buffers are currently installed and install new buffers. */ - BPFD_LOCK(d); + BPFD_WLOCK(d); if (d->bd_hbuf != NULL || d->bd_sbuf != NULL || d->bd_fbuf != NULL || d->bd_bif != NULL) { - BPFD_UNLOCK(d); + BPFD_WUNLOCK(d); zbuf_free(zba); zbuf_free(zbb); return (EINVAL); @@ -593,6 +593,6 @@ bpf_zerocopy_ioctl_setzbuf(struct thread *td, struct bpf_d *d, * shared management region. */ d->bd_bufsize = bz->bz_buflen - sizeof(struct bpf_zbuf_header); - BPFD_UNLOCK(d); + BPFD_WUNLOCK(d); return (0); } |