Re: [PATCH v2] drm/i915/selftests: fix NULL vs IS_ERR() check in mock_context_barrier()

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Dan Carpenter <dan.carpenter@xxxxxxxxxx> writes:

> The mock_context() function returns NULL on error, it doesn't return
> error pointers.
>
> Fixes: 85fddf0b0027 ("drm/i915: Introduce a context barrier callback")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>

> ---
> V2: I accidentally sent a bunch of unrelated stuff...
>
> diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> index 4399ef9ebf15..a172dbd9cb9e 100644
> --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> @@ -1620,8 +1620,8 @@ static int mock_context_barrier(void *arg)
>  	mutex_lock(&i915->drm.struct_mutex);
>  
>  	ctx = mock_context(i915, "mock");
> -	if (IS_ERR(ctx)) {
> -		err = PTR_ERR(ctx);
> +	if (!ctx) {
> +		err = -ENOMEM;
>  		goto unlock;
>  	}
>  
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