Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 06/10 v2] Input: w90p910_ts: Handle return value of platform_get_irq | Date | Sat, 18 Nov 2017 16:25:13 +0530 |
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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(+)
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
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