On adding vifs the idx can become 1 + (7 & 7) = 8 for APs.
Check against that, as only AP vif idx 0-7 is possible.
Signed-off-by: Markus Theil <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
index 889566b36a40..6073f8a4a8f6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
@@ -325,7 +325,9 @@ mt76x02_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
if (vif->type == NL80211_IFTYPE_STATION)
idx += 8;
- if (dev->vif_mask & BIT(idx))
+ /* vif is already set or idx is 8 for AP/Mesh/... */
+ if (dev->vif_mask & BIT(idx) ||
+ (vif->type != NL80211_IFTYPE_STATION && idx > 7))
return -EBUSY;
dev->vif_mask |= BIT(idx);
--
2.24.0