Re: [PATCH] drm/amd/display: Fix identical code for different branches

[Len Baker <len.baker@gmx.com>]

On Sun, Jul 11, 2021 at 10:45:48AM -0700, Joe Perches wrote:
> On Sun, 2021-07-11 at 19:24 +0200, Len Baker wrote:
> > The branches of the "if" statement are the same. So remove the
> > unnecessary if and goto statements.
> >
> > Addresses-Coverity-ID: 1456916 ("Identical code for different branches")
> > Fixes: 4c283fdac08ab ("drm/amd/display: Add HDCP module")
> > Signed-off-by: Len Baker <len.baker@gmx.com>
>
> I'm not a big fan of this type of change.
>
> It's currently the same style used for six tests in this function
> and changing this last one would just make it harder to see the
> code blocks as consistent.
>
> I doubt any reasonable compiler would produce different objects.

Ok, thanks for the review. I leave it as is.

> > diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
> []
> > @@ -305,10 +305,8 @@ static enum mod_hdcp_status wait_for_ready(struct mod_hdcp *hdcp,
> >  				hdcp, "bcaps_read"))
> >  			goto out;
> >  	}
> > -	if (!mod_hdcp_execute_and_set(check_ksv_ready,
> > -			&input->ready_check, &status,
> > -			hdcp, "ready_check"))
> > -		goto out;
> > +	mod_hdcp_execute_and_set(check_ksv_ready, &input->ready_check, &status,
> > +				 hdcp, "ready_check");
> >  out:
> >  	return status;
> >  }
> > --
> > 2.25.1
> >

Thanks,
Len