svn commit: r282371 - head/sys/dev/wpi

[Adrian Chadd]

Author: adrian
Date: Sun May  3 22:13:55 2015
New Revision: 282371
URL: https://svnweb.freebsd.org/changeset/base/282371

Log:
  Add a few local variables to improve readability.
  
  PR:           kern/197143
  Submitted by: Andriy Voskoboinyk <s3er...@gmail.com>

Modified:
  head/sys/dev/wpi/if_wpi.c

Modified: head/sys/dev/wpi/if_wpi.c
==============================================================================
--- head/sys/dev/wpi/if_wpi.c   Sun May  3 22:10:28 2015        (r282370)
+++ head/sys/dev/wpi/if_wpi.c   Sun May  3 22:13:55 2015        (r282371)
@@ -3710,6 +3710,7 @@ wpi_config(struct wpi_softc *sc)
        struct ifnet *ifp = sc->sc_ifp;
        struct ieee80211com *ic = ifp->if_l2com;
        struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
+       struct ieee80211_channel *c = ic->ic_curchan;
        uint32_t flags;
        int error;
 
@@ -3734,9 +3735,9 @@ wpi_config(struct wpi_softc *sc)
        IEEE80211_ADDR_COPY(sc->rxon.myaddr, vap->iv_myaddr);
 
        /* Set default channel. */
-       sc->rxon.chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
+       sc->rxon.chan = ieee80211_chan2ieee(ic, c);
        sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF);
-       if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
+       if (IEEE80211_IS_CHAN_2GHZ(c))
                sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ);
 
        sc->rxon.filter = WPI_FILTER_MULTICAST;
@@ -4044,6 +4045,7 @@ wpi_auth(struct wpi_softc *sc, struct ie
 {
        struct ieee80211com *ic = vap->iv_ic;
        struct ieee80211_node *ni = vap->iv_bss;
+       struct ieee80211_channel *c = ni->ni_chan;
        int error;
 
        WPI_RXON_LOCK(sc);
@@ -4054,18 +4056,18 @@ wpi_auth(struct wpi_softc *sc, struct ie
        sc->rxon.associd = 0;
        sc->rxon.filter &= ~htole32(WPI_FILTER_BSS);
        IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid);
-       sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan);
+       sc->rxon.chan = ieee80211_chan2ieee(ic, c);
        sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF);
-       if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
+       if (IEEE80211_IS_CHAN_2GHZ(c))
                sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ);
        if (ic->ic_flags & IEEE80211_F_SHSLOT)
                sc->rxon.flags |= htole32(WPI_RXON_SHSLOT);
        if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
                sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE);
-       if (IEEE80211_IS_CHAN_A(ni->ni_chan)) {
+       if (IEEE80211_IS_CHAN_A(c)) {
                sc->rxon.cck_mask  = 0;
                sc->rxon.ofdm_mask = 0x15;
-       } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) {
+       } else if (IEEE80211_IS_CHAN_B(c)) {
                sc->rxon.cck_mask  = 0x03;
                sc->rxon.ofdm_mask = 0;
        } else {
@@ -4243,6 +4245,7 @@ wpi_run(struct wpi_softc *sc, struct iee
 {
        struct ieee80211com *ic = vap->iv_ic;
        struct ieee80211_node *ni = vap->iv_bss;
+       struct ieee80211_channel *c = ni->ni_chan;
        int error;
 
        DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_BEGIN, __func__);
@@ -4254,7 +4257,7 @@ wpi_run(struct wpi_softc *sc, struct iee
        }
 
        /* XXX kernel panic workaround */
-       if (ni->ni_chan == IEEE80211_CHAN_ANYC) {
+       if (c == IEEE80211_CHAN_ANYC) {
                device_printf(sc->sc_dev, "%s: incomplete configuration\n",
                    __func__);
                return EINVAL;
@@ -4270,18 +4273,18 @@ wpi_run(struct wpi_softc *sc, struct iee
        WPI_RXON_LOCK(sc);
        IEEE80211_ADDR_COPY(sc->rxon.bssid, ni->ni_bssid);
        sc->rxon.associd = htole16(IEEE80211_NODE_AID(ni));
-       sc->rxon.chan = ieee80211_chan2ieee(ic, ni->ni_chan);
+       sc->rxon.chan = ieee80211_chan2ieee(ic, c);
        sc->rxon.flags = htole32(WPI_RXON_TSF | WPI_RXON_CTS_TO_SELF);
-       if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
+       if (IEEE80211_IS_CHAN_2GHZ(c))
                sc->rxon.flags |= htole32(WPI_RXON_AUTO | WPI_RXON_24GHZ);
        if (ic->ic_flags & IEEE80211_F_SHSLOT)
                sc->rxon.flags |= htole32(WPI_RXON_SHSLOT);
        if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
                sc->rxon.flags |= htole32(WPI_RXON_SHPREAMBLE);
-       if (IEEE80211_IS_CHAN_A(ni->ni_chan)) {
+       if (IEEE80211_IS_CHAN_A(c)) {
                sc->rxon.cck_mask  = 0;
                sc->rxon.ofdm_mask = 0x15;
-       } else if (IEEE80211_IS_CHAN_B(ni->ni_chan)) {
+       } else if (IEEE80211_IS_CHAN_B(c)) {
                sc->rxon.cck_mask  = 0x03;
                sc->rxon.ofdm_mask = 0;
        } else {
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