Re: [PATCH RESEND] usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete

[Felipe Balbi]

Hi Nathan,

Nathan Chancellor <natechancellor@xxxxxxxxx> writes:

> When building with Clang + -Wtautological-pointer-compare:
>
> drivers/usb/gadget/udc/bdc/bdc_ep.c:543:28: warning: comparison of
> address of 'req->queue' equal to a null pointer is always false
> [-Wtautological-pointer-compare]
>         if (req == NULL  || &req->queue == NULL || &req->usb_req == NULL)
>                              ~~~~~^~~~~    ~~~~
> drivers/usb/gadget/udc/bdc/bdc_ep.c:543:51: warning: comparison of
> address of 'req->usb_req' equal to a null pointer is always false
> [-Wtautological-pointer-compare]
>         if (req == NULL  || &req->queue == NULL || &req->usb_req == NULL)
>                                                     ~~~~~^~~~~~~    ~~~~
> 2 warnings generated.
>
> As it notes, these statements will always evaluate to false so remove
> them.
>
> Fixes: efed421a94e6 ("usb: gadget: Add UDC driver for Broadcom USB3.0 device controller IP BDC")
> Link: https://github.com/ClangBuiltLinux/linux/issues/749
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

It's now in my queue for v5.8. It doesn't really look like a bug fix, so
it's not going in during v5.7-rc

-- 
balbi

Attachment: signature.asc
Description: PGP signature