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iwn: Remove write-only extra variable.

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extra is used in a commented-out expression to compute
scan_service_time.  Use #if 0 instead of a comment for the disabled
scan_service_time expression and move the unused computation of extra
under the same #if.
This commit is contained in:
John Baldwin 2022-04-06 16:45:27 -07:00
parent 99f65e9198
commit d31850654e
1 changed files with 5 additions and 2 deletions
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7
sys/dev/iwn/if_iwn.c
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@ -7026,7 +7026,7 @@ iwn_scan(struct iwn_softc *sc, struct ieee80211vap *vap,
int buflen, error;
int is_active;
uint16_t dwell_active, dwell_passive;
uint32_t extra, scan_service_time;
uint32_t scan_service_time;
DPRINTF(sc, IWN_DEBUG_TRACE, "->%s begin\n", __func__);
@ -7070,9 +7070,12 @@ iwn_scan(struct iwn_softc *sc, struct ieee80211vap *vap,
* suspend_time: 100 (TU)
*
*/
#if 0
extra = (100 /* suspend_time */ / 100 /* beacon interval */) << 22;
//scan_service_time = extra | ((100 /* susp */ % 100 /* int */) * 1024);
scan_service_time = extra | ((100 /* susp */ % 100 /* int */) * 1024);
#else
scan_service_time = (4 << 22) | (100 * 1024); /* Hardcode for now! */
#endif
hdr->pause_svc = htole32(scan_service_time);
/* Select antennas for scanning. */