[PATCH 06/10 v2] Input: w90p910_ts: Handle return value of platform_get_irq

From: Arvind Yadav
Date: Sat Nov 18 2017 - 05:57:37 EST


platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
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(+)

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;
--
2.7.4