commit f0b058b61711ebf5be94d6865ca7b2c259b71d37 upstream. Use old supported rates, if AP do not provide supported rates information element in a new managment frame.
Signed-off-by: Stanislaw Gruszka <[email protected]> Signed-off-by: John W. Linville <[email protected]> --- net/mac80211/scan.c | 21 +++++++++++---------- 1 files changed, 11 insertions(+), 10 deletions(-) diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 85507bd..151d933 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -83,7 +83,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local, { struct cfg80211_bss *cbss; struct ieee80211_bss *bss; - int clen; + int clen, srlen; s32 signal = 0; if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) @@ -112,23 +112,24 @@ ieee80211_bss_info_update(struct ieee80211_local *local, bss->dtim_period = tim_ie->dtim_period; } - bss->supp_rates_len = 0; + /* replace old supported rates if we get new values */ + srlen = 0; if (elems->supp_rates) { - clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len; + clen = IEEE80211_MAX_SUPP_RATES; if (clen > elems->supp_rates_len) clen = elems->supp_rates_len; - memcpy(&bss->supp_rates[bss->supp_rates_len], elems->supp_rates, - clen); - bss->supp_rates_len += clen; + memcpy(bss->supp_rates, elems->supp_rates, clen); + srlen += clen; } if (elems->ext_supp_rates) { - clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len; + clen = IEEE80211_MAX_SUPP_RATES - srlen; if (clen > elems->ext_supp_rates_len) clen = elems->ext_supp_rates_len; - memcpy(&bss->supp_rates[bss->supp_rates_len], - elems->ext_supp_rates, clen); - bss->supp_rates_len += clen; + memcpy(bss->supp_rates + srlen, elems->ext_supp_rates, clen); + srlen += clen; } + if (srlen) + bss->supp_rates_len = srlen; bss->wmm_used = elems->wmm_param || elems->wmm_info; bss->uapsd_supported = is_uapsd_supported(elems); -- 1.6.2.5 _______________________________________________ kernel mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/kernel
