| Message ID | 1d35ad94214f0e0ba6cd50d443067c323121486b.1510999334.git.arvind.yadav.cs@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/input/touchscreen/w90p910_ts.c b/drivers/input/touchscreen/w90p910_ts.c index 638c1d7..fa74f2c 100644 --- a/drivers/input/touchscreen/w90p910_ts.c +++ b/drivers/input/touchscreen/w90p910_ts.c @@ -277,6 +277,10 @@ static int w90x900ts_probe(struct platform_device *pdev) input_set_drvdata(input_dev, w90p910_ts); w90p910_ts->irq_num = platform_get_irq(pdev, 0); + if (w90p910_ts->irq_num <= 0) { + err = w90p910_ts->irq_num; + goto fail4; + } if (request_irq(w90p910_ts->irq_num, w90p910_ts_interrupt, 0, "w90p910ts", w90p910_ts)) { err = -EBUSY;
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. drivers/input/touchscreen/w90p910_ts.c | 4 ++++ 1 file changed, 4 insertions(+)