diff options
Diffstat (limited to 'sys/net/bpf_buffer.c')
| -rw-r--r-- | sys/net/bpf_buffer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/net/bpf_buffer.c b/sys/net/bpf_buffer.c index 64bb982..74e1ae4 100644 --- a/sys/net/bpf_buffer.c +++ b/sys/net/bpf_buffer.c @@ -79,6 +79,8 @@ __FBSDID("$FreeBSD$"); #include <net/bpf_buffer.h> #include <net/bpfdesc.h> +#define PRINET 26 /* interruptible */ + /* * Implement historical kernel memory buffering model for BPF: two malloc(9) * kernel buffers are hung off of the descriptor. The size is fixed prior to @@ -189,6 +191,9 @@ bpf_buffer_ioctl_sblen(struct bpf_d *d, u_int *i) return (EINVAL); } + while (d->bd_hbuf_in_use) + mtx_sleep(&d->bd_hbuf_in_use, &d->bd_lock, + PRINET, "bd_hbuf", 0); /* Free old buffers if set */ if (d->bd_fbuf != NULL) free(d->bd_fbuf, M_BPF); |
