Re: [PATCH] drm/i915/selftest: Fix an error code in live_noa_gpr()

Dan Carpenter
2020-07-14T14:31:29Z

On Tue, Jul 14, 2020 at 05:16:33PM +0300, Lionel Landwerlin wrote:
> On 14/07/2020 17:12, Dan Carpenter wrote:
> > The error code is not set on this error path. It's either zero or
> > uninitialized at this point.
> >
> > Fixes: ed2690a9ca89 ("drm/i915/selftest: Check that GPR are restored across noa_wait")
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> > ---
> > drivers/gpu/drm/i915/selftests/i915_perf.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c
> > index deb6dec1b5ab..7aa73bb03381 100644
> > --- a/drivers/gpu/drm/i915/selftests/i915_perf.c
> > +++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
> > @@ -329,6 +329,7 @@ static int live_noa_gpr(void *arg)
> > cs = intel_ring_begin(rq, 2 * 32 + 2);
> > if (IS_ERR(cs)) {
> > i915_request_add(rq);
> > + err = PTR_ERR(cs);
> > goto out_rq;
> > }
>
> Looks like there is another below :
>
> cs = intel_ring_begin(rq, 4);
> if (IS_ERR(cs)) {
>         i915_request_add(rq);
>         goto out_rq;
> }

Oh... Hm... I'm looking at linux-next now and you're right. Also
Colin already fixed the return that I fixed. I'll resend.

regards,
dan carpenter