Re: [PATCH] tools/gpio: prevent resource leak

[Kent Gibson]

On Thu, Nov 09, 2023 at 04:54:19PM +0800, heminhong wrote:
> In the main() function, the open() function is used to open the file.
> When the file is successfully opened, fd is used to interact with the file,
> but the fd is not closed, it will cause resource leak.
>

All open files are automatically closed when a process exits.
That includes both those returned by open() and by the GPIO ioctls.
So explicitly closing them here before exiting is redundant.

Cheers,
Kent.