Author: adrian
Date: Sun Mar 15 21:17:03 2015
New Revision: 280103
URL: https://svnweb.freebsd.org/changeset/base/280103
Log:
Minor optimisation in wpi_limit_dwell()
PR: kenr/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 Mar 15 21:12:57 2015 (r280102)
+++ head/sys/dev/wpi/if_wpi.c Sun Mar 15 21:17:03 2015 (r280103)
@@ -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
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