Hi,
On Mon, Sep 09, 2024 at 02:33:59PM +0800, Ma Ke wrote:
> The return value of drm_atomic_get_crtc_state() needs to be
> checked. To avoid use of error pointer 'crtc_state' in case
> of the failure.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: dd86dc2f9ae1 ("drm/sti: implement atomic_check for the planes")
> Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/sti/sti_gdp.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index 43c72c2604a0..f046f5f7ad25 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -638,6 +638,9 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
>
> mixer = to_sti_mixer(crtc);
> crtc_state = drm_atomic_get_crtc_state(state, crtc);
> + if (IS_ERR(crtc_state))
> + return PTR_ERR(crtc_state);
> +
> mode = &crtc_state->mode;
> dst_x = new_plane_state->crtc_x;
> dst_y = new_plane_state->crtc_y;
> --
> 2.25.1
>
Thanks, patch applied.
Regards,
Alain
