On Thursday 19 April 2018 01:35 AM, Bin Liu wrote:
> The gadget function drivers should ensure the usb_request parameter
> passed in is not NULL. UDC core doesn't check if it is NULL, so MUSB
> driver shouldn't have to check it either.
>
> Convert to_musb_request() to a simple macro to not directly return NULL
> to avoid warnings from code static analysis tools.
>
> Signed-off-by: Bin Liu <b-liu@xxxxxx>
> ---
> drivers/usb/musb/musb_gadget.h | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/usb/musb/musb_gadget.h b/drivers/usb/musb/musb_gadget.h
> index 9c34aca06db6..466877b471ef 100644
> --- a/drivers/usb/musb/musb_gadget.h
> +++ b/drivers/usb/musb/musb_gadget.h
> @@ -60,10 +60,7 @@ struct musb_request {
> enum buffer_map_state map_state;
> };
>
> -static inline struct musb_request *to_musb_request(struct usb_request *req)
> -{
> - return req ? container_of(req, struct musb_request, request) : NULL;
> -}
> +#define to_musb_request(r) (container_of(r, struct musb_request, request))
Unnecessary parens over container_of
Thanks,
Sekhar
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