On Sat, Oct 6, 2012 at 9:06 AM, devendra.aaru <devendra.aaru@xxxxxxxxx> wrote: > On Sat, Oct 6, 2012 at 8:19 AM, Joe Perches <joe@xxxxxxxxxxx> wrote: >> On Fri, 2012-10-05 at 21:09 -0700, Christopher Heiny wrote: >> [] >> >> Just some trivial comments: >> >>> diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c >> [] >>> @@ -0,0 +1,1529 @@ >> [] >>> +static ssize_t delay_write(struct file *filp, const char __user *buffer, >>> + size_t size, loff_t *offset) { >>> + struct driver_debugfs_data *data = filp->private_data; >>> + struct rmi_device_platform_data *pdata = >>> + data->rmi_dev->phys->dev->platform_data; >>> + int retval; >>> + char local_buf[size]; >>> + unsigned int new_read_delay; >>> + unsigned int new_write_delay; >>> + unsigned int new_block_delay; >>> + unsigned int new_pre_delay; >>> + unsigned int new_post_delay; >>> + >>> + retval = copy_from_user(local_buf, buffer, size); >>> + if (retval) >>> + return -EFAULT; >>> + >>> + retval = sscanf(local_buf, "%u %u %u %u %u", &new_read_delay, >>> + &new_write_delay, &new_block_delay, >>> + &new_pre_delay, &new_post_delay); >>> + if (retval != 5) { >>> + dev_err(&data->rmi_dev->dev, >>> + "Incorrect number of values provided for delay."); >>> + return -EINVAL; >>> + } >>> + if (new_read_delay < 0) { >> >> These are unnecessary tests as unsigned values are never < 0. >> > Oops, i m sorry, i mistakenly took the variable as int, it should be unsinged int. sorry joe, you are right the are never < 0. Thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html