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Minor optimisation in wpi_limit_dwell()

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PR:		kenr/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
This commit is contained in:
Adrian Chadd 2015-03-15 21:17:03 +00:00
parent cfe9b1ceb2
commit 7d4ee533d4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=280103
1 changed files with 2 additions and 4 deletions
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6
sys/dev/wpi/if_wpi.c
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@ -3810,14 +3810,12 @@ static uint16_t
wpi_limit_dwell(struct wpi_softc *sc, uint16_t dwell_time)
{
struct ieee80211com *ic = sc->sc_ifp->if_l2com;
struct ieee80211vap *vap = NULL;
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
int bintval = 0;
/* bintval is in TU (1.024mS) */
if (! TAILQ_EMPTY(&ic->ic_vaps)) {
vap = TAILQ_FIRST(&ic->ic_vaps);
if (vap != NULL)
bintval = vap->iv_bss->ni_intval;
}
/*
* If it's non-zero, we should calculate the minimum of