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

[Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>]

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@xxxxxxxxxx>
> ---
>   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;
}

-Lionel