diff options
Diffstat (limited to 'drivers/iio/accel/adxl380.c')
| -rw-r--r-- | drivers/iio/accel/adxl380.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iio/accel/adxl380.c b/drivers/iio/accel/adxl380.c index 7dca5523091f..8518ee23e114 100644 --- a/drivers/iio/accel/adxl380.c +++ b/drivers/iio/accel/adxl380.c @@ -966,6 +966,13 @@ static irqreturn_t adxl380_irq_handler(int irq, void *p) if (ret) return IRQ_HANDLED; + if (fifo_entries > ADXL380_FIFO_SAMPLES) { + dev_err_ratelimited(st->dev, + "FIFO entry count %u exceeds FIFO size %lu\n", + fifo_entries, ADXL380_FIFO_SAMPLES); + return IRQ_HANDLED; + } + fifo_entries = rounddown(fifo_entries, st->fifo_set_size); ret = regmap_noinc_read(st->regmap, ADXL380_FIFO_DATA, &st->fifo_buf, sizeof(*st->fifo_buf) * fifo_entries); |