--- /dev/null
+--- a/mt7603_mac.c
++++ b/mt7603_mac.c
+@@ -474,7 +474,7 @@
+ bool stbc = false;
+ int n_rates = sta->n_rates;
+ u8 bw, bw_prev, bw_idx = 0;
+- u16 val[8];
++ u16 val[8] = { 0 };
+ u32 w9 = mt76_rr(dev, addr + 9 * 4);
+ int count;
+ int i;