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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-11-04 10:39:41 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-11-11 16:11:53 -0800 |
| commit | 43f06a4c639de8ee89fc348a9a3ecd70320a04dd (patch) | |
| tree | 530373b17ec78da31061df5553391bf44ccb53af /drivers/input/touchscreen/ili210x.c | |
| parent | 71f8e38ae635d92e553eec8d7359cb88b539b306 (diff) | |
| download | lwn-43f06a4c639de8ee89fc348a9a3ecd70320a04dd.tar.gz lwn-43f06a4c639de8ee89fc348a9a3ecd70320a04dd.zip | |
Input: ili210x - handle errors from input_mt_init_slots()
input_mt_init_slots() may fail and we need to handle such failures.
Tested-by: Adam Ford <aford173@gmail.com> #imx6q-logicpd
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com> # ILI2118A variant
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen/ili210x.c')
| -rw-r--r-- | drivers/input/touchscreen/ili210x.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index 6985ca8b6565..7dee37901b7b 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -371,7 +371,12 @@ static int ili210x_i2c_probe(struct i2c_client *client, input_set_abs_params(input, ABS_MT_POSITION_X, 0, 0xffff, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 0xffff, 0, 0); touchscreen_parse_properties(input, true, &priv->prop); - input_mt_init_slots(input, priv->max_touches, INPUT_MT_DIRECT); + + error = input_mt_init_slots(input, priv->max_touches, INPUT_MT_DIRECT); + if (error) { + dev_err(dev, "Unable to set up slots, err: %d\n", error); + return error; + } error = devm_request_threaded_irq(dev, client->irq, NULL, ili210x_irq, IRQF_ONESHOT, client->name, priv); |