Re: [PATCH v2] drm/imx: Fix memory leak in imx_pd_connector_get_modes

[Philipp Zabel <p.zabel@pengutronix.de>]

On Sa, 2022-01-08 at 17:52 +0100, José Expósito wrote:
> Avoid leaking the display mode variable if of_get_drm_display_mode
> fails.
> 
> Fixes: 76ecd9c9fb24 ("drm/imx: parallel-display: check return code
> from of_get_drm_display_mode()")
> Addresses-Coverity-ID: 1443943 ("Resource leak")
> Signed-off-by: José Expósito <jose.exposito89@gmail.com>
> 
> ---
> 
> v2: Improve commit message
> ---
>  drivers/gpu/drm/imx/parallel-display.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/imx/parallel-display.c
> b/drivers/gpu/drm/imx/parallel-display.c
> index a8aba0141ce7..3bf8e0a4803a 100644
> --- a/drivers/gpu/drm/imx/parallel-display.c
> +++ b/drivers/gpu/drm/imx/parallel-display.c
> @@ -75,8 +75,10 @@ static int imx_pd_connector_get_modes(struct
> drm_connector *connector)
>                 ret = of_get_drm_display_mode(np, &imxpd->mode,
>                                               &imxpd->bus_flags,
>                                               OF_USE_NATIVE_MODE);
> -               if (ret)
> +               if (ret) {
> +                       drm_mode_destroy(connector->dev, mode);
>                         return ret;
> +               }
>  
>                 drm_mode_copy(mode, &imxpd->mode);
>                 mode->type |= DRM_MODE_TYPE_DRIVER |
> DRM_MODE_TYPE_PREFERRED;

Thank you, applied to imx-drm/fixes.

regards
Philipp