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rtlwifi: unlink bss when un-association

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When AP change bandwidth setting from 20M to 40M, STA may use old 20M AP
information to association with AP. Driver unlink bss in the
.bss_info_changed of ieee80211_ops to make sure that later scan can get
correct AP bandwidth capability.

Signed-off-by: Tsang-Shian Lin <thlin@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Tsang-Shian Lin 2018-01-17 14:15:23 +08:00 committed by Kalle Valo
parent c8abbe79cc
commit 37e89a0e5a
1 changed files with 18 additions and 0 deletions
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18
drivers/net/wireless/realtek/rtlwifi/core.c
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@ -1162,6 +1162,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"BSS_CHANGED_ASSOC\n");
} else {
struct cfg80211_bss *bss = NULL;
mstatus = RT_MEDIA_DISCONNECT;
if (mac->link_state == MAC80211_LINKED)
@ -1169,6 +1171,22 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
mac->link_state = MAC80211_NOLINK;
bss = cfg80211_get_bss(hw->wiphy, NULL,
(u8 *)mac->bssid, NULL, 0,
IEEE80211_BSS_TYPE_ESS,
IEEE80211_PRIVACY_OFF);
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"bssid = %pMF\n", mac->bssid);
if (bss) {
cfg80211_unlink_bss(hw->wiphy, bss);
cfg80211_put_bss(hw->wiphy, bss);
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
"cfg80211_unlink !!\n");
}
eth_zero_addr(mac->bssid);
mac->vendor = PEER_UNKNOWN;
mac->mode = 0;