From 73aa8b9a756944e20ec506f1f0c5ad13afc70e7a Mon Sep 17 00:00:00 2001
From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Fri, 16 May 2014 21:19:17 +0000
Subject: [PATCH] Remove some unused variables.

Found with:	Clang Static Analyzer
MFC after:	2 weeks
---
 sys/dev/firewire/sbp.c    | 2 --
 sys/dev/my/if_my.c        | 2 --
 sys/dev/nfe/if_nfe.c      | 9 +++------
 sys/dev/siba/siba_core.c  | 2 --
 sys/dev/sis/if_sis.c      | 2 --
 sys/dev/sk/if_sk.c        | 2 --
 sys/dev/tx/if_tx.c        | 2 --
 sys/dev/usb/net/if_axge.c | 2 --
 8 files changed, 3 insertions(+), 20 deletions(-)

diff --git a/sys/dev/firewire/sbp.c b/sys/dev/firewire/sbp.c
index 22ffc9479949..e922942cd489 100644
--- a/sys/dev/firewire/sbp.c
+++ b/sys/dev/firewire/sbp.c
@@ -2748,7 +2748,6 @@ sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
 	struct sbp_ocb *ocb;
 	struct sbp_ocb *next;
 	int s = splfw(), order = 0;
-	int flags;
 
 SBP_DEBUG(1)
 	device_printf(sdev->target->sbp->fd.dev,
@@ -2762,7 +2761,6 @@ END_DEBUG
 	SBP_LOCK(sdev->target->sbp);
 	for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
 		next = STAILQ_NEXT(ocb, ocb);
-		flags = ocb->flags;
 		if (OCB_MATCH(ocb, sbp_status)) {
 			/* found */
 			STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
diff --git a/sys/dev/my/if_my.c b/sys/dev/my/if_my.c
index 98a226301149..f8df05998d24 100644
--- a/sys/dev/my/if_my.c
+++ b/sys/dev/my/if_my.c
@@ -658,10 +658,8 @@ static void
 my_setmode_mii(struct my_softc * sc, int media)
 {
 	u_int16_t       bmcr;
-	struct ifnet   *ifp;
 
 	MY_LOCK_ASSERT(sc);
-	ifp = sc->my_ifp;
 	/*
 	 * If an autoneg session is in progress, stop it.
 	 */
diff --git a/sys/dev/nfe/if_nfe.c b/sys/dev/nfe/if_nfe.c
index d9814e3bde0b..806a4ee95bcb 100644
--- a/sys/dev/nfe/if_nfe.c
+++ b/sys/dev/nfe/if_nfe.c
@@ -1376,15 +1376,12 @@ nfe_free_rx_ring(struct nfe_softc *sc, struct nfe_rx_ring *ring)
 {
 	struct nfe_rx_data *data;
 	void *desc;
-	int i, descsize;
+	int i;
 
-	if (sc->nfe_flags & NFE_40BIT_ADDR) {
+	if (sc->nfe_flags & NFE_40BIT_ADDR)
 		desc = ring->desc64;
-		descsize = sizeof (struct nfe_desc64);
-	} else {
+	else
 		desc = ring->desc32;
-		descsize = sizeof (struct nfe_desc32);
-	}
 
 	for (i = 0; i < NFE_RX_RING_COUNT; i++) {
 		data = &ring->data[i];
diff --git a/sys/dev/siba/siba_core.c b/sys/dev/siba/siba_core.c
index 7527261b2bb2..6d32531c3880 100644
--- a/sys/dev/siba/siba_core.c
+++ b/sys/dev/siba/siba_core.c
@@ -1740,12 +1740,10 @@ static void
 siba_pcicore_init(struct siba_pci *spc)
 {
 	struct siba_dev_softc *sd = spc->spc_dev;
-	struct siba_softc *siba;
 
 	if (sd == NULL)
 		return;
 
-	siba = sd->sd_bus;
 	if (!siba_dev_isup_sub(sd))
 		siba_dev_up_sub(sd, 0);
 
diff --git a/sys/dev/sis/if_sis.c b/sys/dev/sis/if_sis.c
index 7b0fc88e5035..632b38457dba 100644
--- a/sys/dev/sis/if_sis.c
+++ b/sys/dev/sis/if_sis.c
@@ -1617,11 +1617,9 @@ sis_tick(void *xsc)
 {
 	struct sis_softc	*sc;
 	struct mii_data		*mii;
-	struct ifnet		*ifp;
 
 	sc = xsc;
 	SIS_LOCK_ASSERT(sc);
-	ifp = sc->sis_ifp;
 
 	mii = device_get_softc(sc->sis_miibus);
 	mii_tick(mii);
diff --git a/sys/dev/sk/if_sk.c b/sys/dev/sk/if_sk.c
index 68520ea17285..03cd165a0b66 100644
--- a/sys/dev/sk/if_sk.c
+++ b/sys/dev/sk/if_sk.c
@@ -2877,13 +2877,11 @@ static void
 sk_txeof(sc_if)
 	struct sk_if_softc	*sc_if;
 {
-	struct sk_softc		*sc;
 	struct sk_txdesc	*txd;
 	struct sk_tx_desc	*cur_tx;
 	struct ifnet		*ifp;
 	u_int32_t		idx, sk_ctl;
 
-	sc = sc_if->sk_softc;
 	ifp = sc_if->sk_ifp;
 
 	txd = STAILQ_FIRST(&sc_if->sk_cdata.sk_txbusyq);
diff --git a/sys/dev/tx/if_tx.c b/sys/dev/tx/if_tx.c
index 1c73aca5d808..a15062795dd5 100644
--- a/sys/dev/tx/if_tx.c
+++ b/sys/dev/tx/if_tx.c
@@ -1151,12 +1151,10 @@ epic_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
 {
 	epic_softc_t *sc;
 	struct mii_data *mii;
-	struct ifmedia *ifm;
 
 	sc = ifp->if_softc;
 	mii = device_get_softc(sc->miibus);
 	EPIC_LOCK(sc);
-	ifm = &mii->mii_media;
 
 	/* Nothing should be selected if interface is down. */
 	if ((ifp->if_flags & IFF_UP) == 0) {
diff --git a/sys/dev/usb/net/if_axge.c b/sys/dev/usb/net/if_axge.c
index 8d1d7c1945e2..caadb60fe5ee 100644
--- a/sys/dev/usb/net/if_axge.c
+++ b/sys/dev/usb/net/if_axge.c
@@ -910,7 +910,6 @@ axge_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 static int
 axge_rx_frame(struct usb_ether *ue, struct usb_page_cache *pc, int actlen)
 {
-	struct axge_softc *sc;
 	struct axge_csum_hdr csum_hdr;
 	int error, len, pos;
 	int pkt_cnt;
@@ -918,7 +917,6 @@ axge_rx_frame(struct usb_ether *ue, struct usb_page_cache *pc, int actlen)
 	uint16_t hdr_off;
 	uint16_t pktlen;
 
-	sc = uether_getsc(ue);
 	pos = 0;
 	len = 0;
 	error = 0;