[PATCH v2] drm/amdgpu: remove redundant null check

[Christian König]

Am 02.03.22 um 17:17 schrieb Weiguo Li:
> Remove the redundant null check since the caller ensures
> that 'ctx' is never NULL.
>
> Signed-off-by: Weiguo Li <liwg06 at foxmail.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
> v2:
> * take Christian and Alex's suggestion
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 6 ------
>   1 file changed, 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> index f522b52725e4..2f38de406937 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> @@ -261,9 +261,6 @@ static int amdgpu_ctx_get_stable_pstate(struct amdgpu_ctx *ctx,
>   	struct amdgpu_device *adev = ctx->adev;
>   	enum amd_dpm_forced_level current_level;
>   
> -	if (!ctx)
> -		return -EINVAL;
> -
>   	current_level = amdgpu_dpm_get_performance_level(adev);
>   
>   	switch (current_level) {
> @@ -293,9 +290,6 @@ static int amdgpu_ctx_set_stable_pstate(struct amdgpu_ctx *ctx,
>   	enum amd_dpm_forced_level level;
>   	int r;
>   
> -	if (!ctx)
> -		return -EINVAL;
> -
>   	mutex_lock(&adev->pm.stable_pstate_ctx_lock);
>   	if (adev->pm.stable_pstate_ctx && adev->pm.stable_pstate_ctx != ctx) {
>   		r = -EBUSY;