drivers: usb: usb_dc_numaker: make usbd_ep_fifo_copy_from_user void #102021
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numaker_usbd_ep_fifo_copy_from_user() never reports errors and always returns 0. The error check at the call site is therefore dead code. Make the function void and drop the unused error handling. Signed-off-by: Gaetan Perrot <[email protected]>
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josuah
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Jan 9, 2026
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static void numaker_usbd_setup_fifo_copy_to_user() is void, so it makes sense for copy_from_user() to be void too.
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numaker_usbd_ep_fifo_copy_from_user() never reports errors and always returns 0.
The error check at the call site is therefore dead code.
Make the function void and drop the unused error handling.