On Tue, Jan 27, 2026 at 07:38:09AM +0100, Christoph Hellwig wrote:
> PTR_ERR(ptr) == -EFOO checks if ptr is an error pointer for the errno
> value -EFOO.

To reiterate (again): when ptr may or may not be an error pointer, it
should be written as ptr == ERR_PTR(-EFOO), as is normally done.
Otherwise an error code is being extracted from something that doesn't
have an error code, which is nonsense, even if it works by accident.

- Eric


_______________________________________________
Linux-f2fs-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

Reply via email to