mac is being assigned twice, remove redundant 2nd assignment.

Detected by CoverityScan, CID#1437554 ("Incorrect expression")

Signed-off-by: Colin Ian King <redacted>
---
 drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index fc0ce2c09097..e3c090008125 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c

@@ -922,7 +922,7 @@ void qtnf_netdev_updown(struct net_device *ndev, bool up)
 void qtnf_virtual_intf_cleanup(struct net_device *ndev)
 {
        struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
-       struct qtnf_wmac *mac = mac = wiphy_priv(vif->wdev.wiphy);
+       struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);