Re: [PATCH] staging: emxx_udc: Remove unneeded parentheses

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On Sun, Nov 27, 2022 at 08:40:12PM -0800, Jack Schofield wrote:
> Parentheses are not required around condition tests. Remove to follow
> Linux Kernel coding style. Issue reported by checkpatch.
> 
> Signed-off-by: Jack Schofield <schofija@xxxxxxxxxxxxxxx>
> ---
> There are more instances of extra parens to cleanup. If this patch is
> welcome I can continue to cleanup this file.
> 
>  drivers/staging/emxx_udc/emxx_udc.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
> index b4e19174bef2..1d4ac8374fe2 100644
> --- a/drivers/staging/emxx_udc/emxx_udc.c
> +++ b/drivers/staging/emxx_udc/emxx_udc.c
> @@ -149,8 +149,8 @@ static void _nbu2ss_ep0_complete(struct usb_ep *_ep, struct usb_request *_req)
>  			/* SET_FEATURE */
>  			recipient = (u8)(p_ctrl->bRequestType & USB_RECIP_MASK);
>  			selector  = le16_to_cpu(p_ctrl->wValue);
> -			if ((recipient == USB_RECIP_DEVICE) &&
> -			    (selector == USB_DEVICE_TEST_MODE)) {
> +			if (recipient == USB_RECIP_DEVICE &&
> +			    selector == USB_DEVICE_TEST_MODE) {
>  				wIndex = le16_to_cpu(p_ctrl->wIndex);
>  				test_mode = (u32)(wIndex >> 8);
>  				_nbu2ss_set_test_mode(udc, test_mode);
> @@ -287,7 +287,7 @@ static int _nbu2ss_epn_exit(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
>  	u32		num;
>  	u32		data;
>  
> -	if ((ep->epnum == 0) || (udc->vbus_active == 0))
> +	if (ep->epnum == 0 || udc->vbus_active == 0)

This type of change requires you to remember the == comes before || so
it's best to just leave the code as-is to make it much more obvious
what is happening.

sorry,

greg k-h




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