diff options
| -rw-r--r-- | driver/accelgyro_lsm6dsm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/driver/accelgyro_lsm6dsm.c b/driver/accelgyro_lsm6dsm.c index 683b2ed616..29c21618a7 100644 --- a/driver/accelgyro_lsm6dsm.c +++ b/driver/accelgyro_lsm6dsm.c @@ -210,8 +210,19 @@ static void push_fifo_data(struct motion_sensor_t *accel, uint8_t *fifo, while (flen > 0) { struct ec_response_motion_sensor_data vect; - int id = agm_maps[fifo_next(private)]; - int *axis = (accel + id)->raw_xyz; + int id; + int *axis; + int next_fifo = fifo_next(private); + /* + * This should never happen, but it could. There will be a + * report from inside fifo_next about it, so no extra message + * required here. + */ + if (next_fifo == FIFO_DEV_INVALID) { + return; + } + id = agm_maps[next_fifo]; + axis = (accel + id)->raw_xyz; /* Apply precision, sensitivity and rotation. */ st_normalize(accel + id, axis, fifo); |