[PATCH] drm: Fix error path in drm_mode_page_flip_ioctl()

[Michel Dänzer]

On 08/09/16 02:23 AM, Imre Deak wrote:
> This fixes the error path for platforms that don't define the new
> page_flip_target() hook.
> 
> Fixes: c229bfbbd04 ("drm: Add page_flip_target CRTC hook v2")
> Testcase: igt/kms_flip/basic-flip-vs-dpms
> CC: Michel Dänzer <michel.daenzer at amd.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/drm_crtc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 0f797ee..d84a0ea 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -2047,7 +2047,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  	}
>  
>  out:
> -	if (ret)
> +	if (ret && crtc->funcs->page_flip_target)
>  		drm_crtc_vblank_put(crtc);
>  	if (fb)
>  		drm_framebuffer_unreference(fb);
> 

Nice catch, thanks!

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


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Earthling Michel Dänzer               |               http://www.amd.com
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