remove dead stores and newly created unused variables.

Found by LLVM/Clang Static Analyzer.

ok ratchov@

3 files changed, 3 insertions, 9 deletions

diff --git a/sys/dev/pci/auixp.c b/sys/dev/pci/auixp.c
index 88d4dced2f2..9304863aca2 100644
--- a/sys/dev/pci/auixp.c
+++ b/sys/dev/pci/auixp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auixp.c,v 1.20 2008/09/17 06:14:09 brad Exp $ */
+/* $OpenBSD: auixp.c,v 1.21 2008/09/24 19:09:05 chl Exp $ */
 /* $NetBSD: auixp.c,v 1.9 2005/06/27 21:13:09 thorpej Exp $ */
 
 /*
@@ -370,12 +370,10 @@ auixp_set_params(void *hdl, int setmode, int usemode,
     struct audio_params *play, struct audio_params *rec)
 {
 	struct auixp_codec *co;
-	struct auixp_softc *sc;
 	int error;
 	u_int temprate;
 
 	co = (struct auixp_codec *) hdl;
-	sc = co->sc;
 	if (setmode & AUMODE_PLAY) {
 		play->factor = 1;
 		play->sw_code = NULL;
diff --git a/sys/dev/pci/auvia.c b/sys/dev/pci/auvia.c
index d126130ac3a..b671cb43c40 100644
--- a/sys/dev/pci/auvia.c
+++ b/sys/dev/pci/auvia.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: auvia.c,v 1.40 2008/08/12 06:50:16 jakemsr Exp $ */
+/*	$OpenBSD: auvia.c,v 1.41 2008/09/24 19:09:05 chl Exp $ */
 /*	$NetBSD: auvia.c,v 1.28 2002/11/04 16:38:49 kent Exp $	*/
 
 /*-
@@ -923,7 +923,6 @@ auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
 		ch->sc_dma_ops_dma = dp;
 	}
 
-	dp = ch->sc_dma_ops_dma;
 	op = ch->sc_dma_ops;
 
 	while (l) {
diff --git a/sys/dev/pci/azalia.c b/sys/dev/pci/azalia.c
index 62824f3b011..293d3d7cb9d 100644
--- a/sys/dev/pci/azalia.c
+++ b/sys/dev/pci/azalia.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: azalia.c,v 1.54 2008/09/22 19:42:07 miod Exp $	*/
+/*	$OpenBSD: azalia.c,v 1.55 2008/09/24 19:09:05 chl Exp $	*/
 /*	$NetBSD: azalia.c,v 1.20 2006/05/07 08:31:44 kent Exp $	*/
 
 /*-
@@ -1299,12 +1299,10 @@ azalia_codec_construct_format(codec_t *this, int newdac, int newadc)
 {
 	const convgroup_t *group;
 	uint32_t bits_rates;
-	int prev_dac, prev_adc;
 	int pvariation, rvariation;
 	int nbits, c, chan, i, err;
 	nid_t nid;
 
-	prev_dac = this->dacs.cur;
 	this->dacs.cur = newdac;
 	group = &this->dacs.groups[this->dacs.cur];
 	bits_rates = this->w[group->conv[0]].d.audio.bits_rates;
@@ -1326,7 +1324,6 @@ azalia_codec_construct_format(codec_t *this, int newdac, int newadc)
 	}
 	pvariation = group->nconv * nbits;
 
-	prev_adc = this->adcs.cur;
 	this->adcs.cur = newadc;
 	group = &this->adcs.groups[this->adcs.cur];
 	bits_rates = this->w[group->conv[0]].d.audio.bits_rates;