On 2019-10-23 4:32 a.m., zhongshiqi wrote:
> dc.c:583:null check is needed after using kzalloc function
>
> Signed-off-by: zhongshiqi <zhong.shiqi@xxxxxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
> ---
> drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
> index 5d1aded..4b8819c 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
> @@ -580,6 +580,10 @@ static bool construct(struct dc *dc,
> #ifdef CONFIG_DRM_AMD_DC_DCN2_0
> // Allocate memory for the vm_helper
> dc->vm_helper = kzalloc(sizeof(struct vm_helper), GFP_KERNEL);
> + if (!dc->vm_helper) {
> + dm_error("%s: failed to create dc->vm_helper\n", __func__);
> + goto fail;
> + }
>
> #endif
> memcpy(&dc->bb_overrides, &init_params->bb_overrides, sizeof(dc->bb_overrides));
>
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