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Commit 37e89a0e authored by Tsang-Shian Lin's avatar Tsang-Shian Lin Committed by Kalle Valo
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rtlwifi: unlink bss when un-association 



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: default avatarTsang-Shian Lin <thlin@realtek.com>
Signed-off-by: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent c8abbe79

drivers/net/wireless/realtek/rtlwifi/core.c

+18 −0
Original line number Diff line number Diff line
@@ -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;