diff options
Diffstat (limited to 'drivers/input/touchscreen/st1232.c')
| -rw-r--r-- | drivers/input/touchscreen/st1232.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index bfea02202ded..dfc0c6cb0213 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -50,12 +50,12 @@ struct st1232_ts_data { const struct st_chip_info *chip_info; int read_buf_len; u8 *read_buf; - struct st1232_ts_finger *finger; + struct st1232_ts_finger fingers[]; }; static int st1232_ts_read_data(struct st1232_ts_data *ts) { - struct st1232_ts_finger *finger = ts->finger; + struct st1232_ts_finger *finger = ts->fingers; struct i2c_client *client = ts->client; u8 start_reg = ts->chip_info->start_reg; struct i2c_msg msg[] = { @@ -98,7 +98,7 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts) static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id) { struct st1232_ts_data *ts = dev_id; - struct st1232_ts_finger *finger = ts->finger; + struct st1232_ts_finger *finger = ts->fingers; struct input_dev *input_dev = ts->input_dev; int count = 0; int i, ret; @@ -177,7 +177,6 @@ static int st1232_ts_probe(struct i2c_client *client, { const struct st_chip_info *match; struct st1232_ts_data *ts; - struct st1232_ts_finger *finger; struct input_dev *input_dev; int error; @@ -199,16 +198,13 @@ static int st1232_ts_probe(struct i2c_client *client, return -EINVAL; } - ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL); + ts = devm_kzalloc(&client->dev, + struct_size(ts, fingers, match->max_fingers), + GFP_KERNEL); if (!ts) return -ENOMEM; ts->chip_info = match; - ts->finger = devm_kcalloc(&client->dev, - ts->chip_info->max_fingers, sizeof(*finger), - GFP_KERNEL); - if (!ts->finger) - return -ENOMEM; /* allocate a buffer according to the number of registers to read */ ts->read_buf_len = ts->chip_info->max_fingers * 4; |