On Sun, Dec 11, 2011 at 09:03:39PM +0100, Marcin Slusarz wrote:
> Fixes oopses / leaks depending on point of failure.
> 
> Signed-off-by: Marcin Slusarz <[email protected]>
> ---
>  drivers/gpu/drm/nouveau/nv50_crtc.c    |   59 +++++++++++++++++++++----------
>  drivers/gpu/drm/nouveau/nv50_display.c |    7 +++-
>  2 files changed, 45 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c 
> b/drivers/gpu/drm/nouveau/nv50_crtc.c
> index 8f6c2ac..9fa012d 100644
> --- a/drivers/gpu/drm/nouveau/nv50_crtc.c
> +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
> @@ -733,18 +733,16 @@ nv50_crtc_create(struct drm_device *dev, int index)
>  
>       ret = nouveau_bo_new(dev, 4096, 0x100, TTM_PL_FLAG_VRAM,
>                            0, 0x0000, &nv_crtc->lut.nvbo);
> -     if (!ret) {
> -             ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
> -             if (!ret)
> -                     ret = nouveau_bo_map(nv_crtc->lut.nvbo);
> -             if (ret)
> -                     nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
> -     }
> +     if (ret)
> +             goto lut_bo_err;
>  
> -     if (ret) {
> -             kfree(nv_crtc);
> -             return ret;
> -     }
> +     ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
> +     if (ret)
> +             goto lut_bo_pin_err;
> +
> +     ret = nouveau_bo_map(nv_crtc->lut.nvbo);
> +     if (ret)
> +             goto lut_bo_map_err;
>  
>       nv_crtc->index = index;
>  
> @@ -758,14 +756,37 @@ nv50_crtc_create(struct drm_device *dev, int index)
>  
>       ret = nouveau_bo_new(dev, 64*64*4, 0x100, TTM_PL_FLAG_VRAM,
>                            0, 0x0000, &nv_crtc->cursor.nvbo);
> -     if (!ret) {
> -             ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
> -             if (!ret)
> -                     ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
> -             if (ret)
> -                     nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
> -     }
> +     if (ret)
> +             goto cursor_bo_err;
> +
> +     ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
> +     if (ret)
> +             goto cursor_bo_pin_err;
> +
> +     ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
> +     if (ret)
> +             goto cursor_bo_map_err;
> +
> +     ret = nv50_cursor_init(nv_crtc);
> +     if (ret)
> +             goto cursor_init_err;
>  
> -     nv50_cursor_init(nv_crtc);
>       return 0;
> +
> +cursor_init_err:
> +     nouveau_bo_unmap(nv_crtc->cursor.nvbo);
> +cursor_bo_map_err:
> +     nouveau_bo_unpin(nv_crtc->cursor.nvbo);
> +cursor_bo_pin_err:
> +     nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
> +cursor_bo_err:
> +     drm_crtc_cleanup(&nv_crtc->base);
> +     nouveau_bo_unmap(nv_crtc->lut.nvbo);
> +lut_bo_map_err:
> +     nouveau_bo_unpin(nv_crtc->lut.nvbo);
> +lut_bo_pin_err:
> +     nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
> +lut_bo_err:
> +     kfree(nv_crtc);
> +     return ret;
>  }
> diff --git a/drivers/gpu/drm/nouveau/nv50_display.c 
> b/drivers/gpu/drm/nouveau/nv50_display.c
> index 7ba28e0..a1b335b 100644
> --- a/drivers/gpu/drm/nouveau/nv50_display.c
> +++ b/drivers/gpu/drm/nouveau/nv50_display.c
> @@ -335,8 +335,11 @@ nv50_display_create(struct drm_device *dev)
>       dev_priv->engine.display.priv = priv;
>  
>       /* Create CRTC objects */
> -     for (i = 0; i < 2; i++)
> -             nv50_crtc_create(dev, i);
> +     for (i = 0; i < 2; i++) {
> +             ret = nv50_crtc_create(dev, i);
> +             if (ret)
> +                     return ret;
> +     }
>  
>       /* We setup the encoders from the BIOS table */
>       for (i = 0 ; i < dcb->entries; i++) {
> -- 

ping
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