Hi Nathan and all,
please ignore, I sent the wrong file.
Andi
On Fri, Jun 02, 2023 at 04:11:27PM +0200, Andi Shyti wrote:
> kernel_context() returns an error pointer. Use pointer-error
> conversion functions to evaluate its return value, rather than
> checking for a '0' return.
>
> Fixes: eb5c10cbbc2f ("drm/i915: Remove I915_USER_PRIORITY_SHIFT")
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson < chris@xxxxxxxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v5.13+
> ---
> drivers/gpu/drm/i915/gt/selftest_execlists.c | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c
> index 736b89a8ecf54..4202df5b8c122 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_execlists.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c
> @@ -1530,8 +1530,8 @@ static int live_busywait_preempt(void *arg)
> struct drm_i915_gem_object *obj;
> struct i915_vma *vma;
> enum intel_engine_id id;
> - int err = -ENOMEM;
> u32 *map;
> + int err;
>
> /*
> * Verify that even without HAS_LOGICAL_RING_PREEMPTION, we can
> @@ -1539,13 +1539,17 @@ static int live_busywait_preempt(void *arg)
> */
>
> ctx_hi = kernel_context(gt->i915, NULL);
> - if (!ctx_hi)
> - return -ENOMEM;
> + if (IS_ERR(ctx_hi))
> + return PTR_ERR(ctx_hi);
> +
> ctx_hi->sched.priority = I915_CONTEXT_MAX_USER_PRIORITY;
>
> ctx_lo = kernel_context(gt->i915, NULL);
> - if (!ctx_lo)
> + if (IS_ERR(ctx_lo)) {
> + err = PTR_ERR(ctx_lo);
> goto err_ctx_hi;
> + }
> +
> ctx_lo->sched.priority = I915_CONTEXT_MIN_USER_PRIORITY;
>
> obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE);
> --
> 2.40.1
