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Diffstat (limited to 'drivers/input/touchscreen/ads7846.c')
| -rw-r--r-- | drivers/input/touchscreen/ads7846.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index ce6f48c695f..efbbbe48621 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -461,10 +461,11 @@ static ssize_t ads7846_disable_store(struct device *dev, const char *buf, size_t count) { struct ads7846 *ts = dev_get_drvdata(dev); - char *endp; - int i; + long i; + + if (strict_strtoul(buf, 10, &i)) + return -EINVAL; - i = simple_strtoul(buf, &endp, 10); spin_lock_irq(&ts->lock); if (i) |