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[PATCH wireless-next 3/4] wifi: brcmfmac: Improve the delay during scan

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From: Kurt Lee <kurt.lee@xxxxxxxxxxx>

wpa_supplicant sends NL80211_CMD_GET_SURVEY command every time after
normal scan, which causes brcmfmac surveying each channel again.
Currently brcmfmac implments brcmf_cfg80211_dump_survey focusing on AP
mode, thus this change will return the request other than AP mode.

Signed-off-by: Kurt Lee <kurt.lee@xxxxxxxxxxx>
Signed-off-by: Ian Lin <ian.lin@xxxxxxxxxxxx>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 820dc5fee730..e23cd6fc0f56 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -8122,6 +8122,9 @@ brcmf_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *ndev,
 
 	brcmf_dbg(TRACE, "Enter: channel idx=%d\n", idx);
 
+	if (!brcmf_is_apmode(ifp->vif))
+		return -ENOENT;
+
 	/* Do not run survey when VIF in CONNECTING / CONNECTED states */
 	if ((test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) ||
 	    (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))) {
-- 
2.25.0





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