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SubjectRe: [PATCH -next] media: rc: Fix a typo in lirc_ioctl
On Tue, Jun 01, 2021 at 06:02:35PM +0800, Tong Tiangen wrote:
> Fix a typo in lirc_ioctl, apparently min_timeout should be used
> in this case.
>
> Fixes: e589333f346b ("V4L/DVB: IR: extend interfaces to support more device settings")
> Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
> ---
> drivers/media/rc/lirc_dev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
> index 116daf90c858..abbeae2ccd4a 100644
> --- a/drivers/media/rc/lirc_dev.c
> +++ b/drivers/media/rc/lirc_dev.c
> @@ -534,7 +534,7 @@ static long lirc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>
> /* Generic timeout support */
> case LIRC_GET_MIN_TIMEOUT:
> - if (!dev->max_timeout)
> + if (!dev->min_timeout)

So maybe this isn't the clearest piece of code, but all rc drivers set
either both of min_timeout & max_timeout, or neither. Having a max_timeout
without a min_timeout does not make any sense.

Changing this to min_timeout gives the impression min_timeout can be set
without max_timeout, which is not the case. This should at least commented.

Thanks

Sean

> ret = -ENOTTY;
> else
> val = dev->min_timeout;
> --
> 2.18.0.huawei.25

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