From: Diego Escalante Urrelo <diegoe@gnome.org>
Date: Tue, 28 Jul 2020 13:59:56 -0500
Subject: wl: Avoid disconnecting invalid interface

Mimic brcmfmac driver and don't try to call WLC_DISASSOC on an invalid
interface.
---
 amd64/src/wl/sys/wl_cfg80211_hybrid.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/amd64/src/wl/sys/wl_cfg80211_hybrid.c b/amd64/src/wl/sys/wl_cfg80211_hybrid.c
index 03fba6e..f6d4feb 100644
--- a/amd64/src/wl/sys/wl_cfg80211_hybrid.c
+++ b/amd64/src/wl/sys/wl_cfg80211_hybrid.c
@@ -1070,14 +1070,15 @@ wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_c
 	WL_DBG(("Reason %d\n", reason_code));
 
 	if (wl->profile->active) {
-		scbval.val = reason_code;
 		memcpy(&scbval.ea, &wl->bssid, ETHER_ADDR_LEN);
-		scbval.val = htod32(scbval.val);
-		err = wl_dev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t));
+		scbval.val = htod32(reason_code);
+		err = wl_dev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scbval));
 		if (err) {
 			WL_ERR(("error (%d)\n", err));
 			return err;
 		}
+	} else {
+	    return -EIO;
 	}
 
 	return err;