[PATCH v5 2/4] Input: cyttsp - check return value of input_mt_init_slots
From: Oreste Salerno <hidden>
Date: 2016-01-21 22:22:29
Also in:
linux-input, lkml
Subsystem:
cyttsp touchscreen driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Linus Walleij, Dmitry Torokhov, Linus Torvalds
Signed-off-by: Oreste Salerno <redacted> --- drivers/input/touchscreen/cyttsp_core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c
index e6437f2..c269a19 100644
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c@@ -594,7 +594,11 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, CY_MAXZ, 0, 0); - input_mt_init_slots(input_dev, CY_MAX_ID, 0); + error = input_mt_init_slots(input_dev, CY_MAX_ID, 0); + if (error) { + dev_err(dev, "Unable to init MT slots.\n"); + return ERR_PTR(error); + } error = devm_request_threaded_irq(dev, ts->irq, NULL, cyttsp_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
--
1.9.1