wifi: mt76: add a wrapper for wcid access with validation

Several places use rcu_dereference to get a wcid entry without validating if the index exceeds the array boundary. Fix this by using a helper function, which handles validation. Signed-off-by: Felix Fietkau <[email protected]>
2026-10-24 13:26:48 +00:00 · 2025-07-04 20:46:06 +02:00
parent c4a114e2b8
commit 243e572d89
17 changed files with 41 additions and 68 deletions
@@ -83,7 +83,7 @@ int mt76_get_min_avg_rssi(struct mt76_dev *dev, u8 phy_idx)
 			if (!(mask & 1))
 				continue;

-			wcid = rcu_dereference(dev->wcid[j]);
+			wcid = __mt76_wcid_ptr(dev, j);
 			if (!wcid || wcid->phy_idx != phy_idx)
 				continue;