D36045.id108887.diff
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D36045.id108887.diff
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	Index: sys/net/bpf.c
	===================================================================
	--- sys/net/bpf.c
	+++ sys/net/bpf.c
	@@ -1515,18 +1515,20 @@
	* Put interface into promiscuous mode.
	*/
	case BIOCPROMISC:
	+ BPF_LOCK();
	if (d->bd_bif == NULL) {
	/*
	* No interface attached yet.
	*/
	error = EINVAL;
	- break;
	- }
	- if (d->bd_promisc == 0) {
	+ } else if (d->bd_promisc == 0) {
	error = ifpromisc(d->bd_bif->bif_ifp, 1);
	if (error == 0)
	d->bd_promisc = 1;
	+ } else {
	+ error = 0;
	}
	+ BPF_UNLOCK();
	break;

	/*