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The local variable 'res' is only used to temporary store the results of calling copy_from_user() and copy_to_user(). Use the results directly and remove the local variable. Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://lore.kernel.org/r/20250918151328.331015-1-thorsten.blum@linux.dev Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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61 KiB