[PATCH] drm/amd/display: Trigger bug when allocation fails.

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Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>


On 10/17/2017 01:45 PM, Tom St Denis wrote:
> If the allocation fails in amdgpu_dm_connector_funcs_reset() the
> API cannot continue so trigger a BUG_ON.
>
> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
> ---
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 58e29a2a5ca6..ac58ba4f10cf 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2722,6 +2722,7 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
>   	kfree(state);
>   
>   	state = kzalloc(sizeof(*state), GFP_KERNEL);
> +	BUG_ON(state == NULL);
>   
>   	if (state) {
>   		state->scaling = RMX_OFF;



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