From 0d9de08da52a6cbda290d125d96a0015e172186f Mon Sep 17 00:00:00 2001
From: Able Liao <Able.Liao@cypress.com>
Date: Thu, 18 Jun 2020 11:07:39 -0500
Subject: [PATCH] brcmfmac: do not disconnect for disassoc frame from
unconnected AP
Ignore FW event if the event's BSSID is different form the BSSID of the
currently connected AP. Check interface state is connected or not, if
state is not connected that can ignore link down event.
Signed-off-by: Able Liao <Able.Liao@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200618160739.21457-4-chi-hsien.lin@cypress.com
---
.../net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index e7b227714167a..5d99771c3f648 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6027,7 +6027,12 @@ brcmf_notify_connect_status(struct brcmf_if *ifp,
brcmf_net_setcarrier(ifp, true);
} else if (brcmf_is_linkdown(e)) {
brcmf_dbg(CONN, "Linkdown\n");
- if (!brcmf_is_ibssmode(ifp->vif)) {
+ if (!brcmf_is_ibssmode(ifp->vif) &&
+ test_bit(BRCMF_VIF_STATUS_CONNECTED,
+ &ifp->vif->sme_state)) {
+ if (memcmp(profile->bssid, e->addr, ETH_ALEN))
+ return err;
+
brcmf_bss_connect_done(cfg, ndev, e, false);
brcmf_link_down(ifp->vif,
brcmf_map_fw_linkdown_reason(e),
--
2.30.2