101-brcmfmac-remove-monitor-interface-when-detaching.patch

From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 18 Nov 2019 13:35:20 +0100
Subject: [PATCH 5.5] brcmfmac: remove monitor interface when detaching
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This fixes a minor WARNING in the cfg80211:
[  130.658034] ------------[ cut here ]------------
[  130.662805] WARNING: CPU: 1 PID: 610 at net/wireless/core.c:954 wiphy_unregister+0xb4/0x198 [cfg80211]

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -1371,6 +1371,11 @@ void brcmf_detach(struct device *dev)
 	brcmf_fweh_detach(drvr);
 	brcmf_proto_detach(drvr);
 
+	if (drvr->mon_if) {
+		brcmf_net_detach(drvr->mon_if->ndev, false);
+		drvr->mon_if = NULL;
+	}
+
 	/* make sure primary interface removed last */
 	for (i = BRCMF_MAX_IFS - 1; i > -1; i--) {
 		if (drvr->iflist[i])