Messages in this thread | | | Date | Thu, 9 Nov 2023 20:36:03 +0800 | From | Kent Gibson <> | Subject | Re: [PATCH] tools/gpio: prevent resource leak |
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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.
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