diff options
| author | Evelyn Tsai <evelyn.tsai@mediatek.com> | 2022-03-17 09:21:50 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-05-13 09:39:34 +0200 |
| commit | b619e01380eedf24e8d26a367e94e0ccaeb0c3dd (patch) | |
| tree | 6fac58f3a5fbd5c457196ad26cdd3138f0a066eb /drivers/net/wireless/mediatek/mt76/mt7615/main.c | |
| parent | mt76: fix use-after-free by removing a non-RCU wcid pointer (diff) | |
| download | linux-b619e01380eedf24e8d26a367e94e0ccaeb0c3dd.tar.xz linux-b619e01380eedf24e8d26a367e94e0ccaeb0c3dd.zip | |
mt76: fix MBSS index condition in DBDC mode
MT7915_MAX_INTERFACES is per-band declaration in MT7915/MT7986/MT7916.
Enlarge vif_mask to 64 bits wide, including the bit operation.
Reviewed-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/main.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 6b8e3e7ae4a2..a9c9b97d173e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -194,7 +194,7 @@ static int mt7615_add_interface(struct ieee80211_hw *hw, is_zero_ether_addr(vif->addr)) phy->monitor_vif = vif; - mvif->mt76.idx = ffs(~dev->mt76.vif_mask) - 1; + mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask); if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) { ret = -ENOSPC; goto out; @@ -212,7 +212,7 @@ static int mt7615_add_interface(struct ieee80211_hw *hw, if (ext_phy) mvif->mt76.wmm_idx += 2; - dev->mt76.vif_mask |= BIT(mvif->mt76.idx); + dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx); dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); @@ -268,7 +268,7 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw, rcu_assign_pointer(dev->mt76.wcid[idx], NULL); - dev->mt76.vif_mask &= ~BIT(mvif->mt76.idx); + dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx); dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); |