hotfix: fix Rivian CAN ignition

panda/board/drivers/can_common.h

@@ -166,9 +166,6 @@ void ignition_can_hook(CANPacket_t *to_push) {
     int addr = GET_ADDR(to_push);
     int len = GET_LEN(to_push);
 
-    // Check counter position on cars with overlap
-    static int prev_counter = -1;
-
     // GM exception
     if ((addr == 0x1F1) && (len == 8)) {
       // SystemPowerMode (2=Run, 3=Crank Request)
@@ -181,6 +178,7 @@ void ignition_can_hook(CANPacket_t *to_push) {
       // 0x152 overlaps with Subaru pre-global which has this bit as the high beam
       int counter = GET_BYTE(to_push, 1) & 0xFU;  // max is only 14
 
+      static int prev_counter = -1;
       if ((counter == ((prev_counter + 1) % 15)) && (prev_counter != -1)) {
         // VDM_OutputSignals->VDM_EpasPowerMode
         ignition_can = ((GET_BYTE(to_push, 7) >> 4U) & 0x3U) == 1U;  // VDM_EpasPowerMode_Drive_On=1
@@ -194,6 +192,7 @@ void ignition_can_hook(CANPacket_t *to_push) {
       // 0x221 overlaps with Rivian which has random data on byte 0
       int counter = GET_BYTE(to_push, 6) >> 4;
 
+      static int prev_counter = -1;
       if ((counter == ((prev_counter + 1) % 16)) && (prev_counter != -1)) {
         // VCFRONT_LVPowerState->VCFRONT_vehiclePowerState
         int power_state = (GET_BYTE(to_push, 0) >> 5U) & 0x3U;