Re: [PATCH] highmem: fix a memory copy problem in memcpy_from_folio

[Matthew Wilcox]

On Thu, Nov 30, 2023 at 11:40:18AM +0800, Su Hui wrote:
> Clang static checker complains that value stored to 'from' is never read.
> And memcpy_from_folio() only copy the last chunk memory from folio to
> destination.
> Using 'to += chunk' to replace 'from += chunk' to fix this typo problem.
> 
> Fixes: b23d03ef7af5 ("highmem: add memcpy_to_folio() and memcpy_from_folio()")
> Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>

Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>