Hi Biju
On Thu, Jul 23, 2020 at 12:10:54PM +0100, Biju Das wrote:
> Fix double-free bug in the error path.
>
> Fixes: 6529007522de ("drm: of: Add drm_of_lvds_get_dual_link_pixel_order")
> Reported-by: Pavel Machek <pavel@xxxxxxx>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Thanks, applied to drm-misc-fixes.
Sam
> ---
> This patch is tested against drm-fixes and drm-next.
> ---
> drivers/gpu/drm/drm_of.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
> index fdb05fb..ca04c34 100644
> --- a/drivers/gpu/drm/drm_of.c
> +++ b/drivers/gpu/drm/drm_of.c
> @@ -331,10 +331,8 @@ static int drm_of_lvds_get_remote_pixels_type(
> * configurations by passing the endpoints explicitly to
> * drm_of_lvds_get_dual_link_pixel_order().
> */
> - if (!current_pt || pixels_type != current_pt) {
> - of_node_put(remote_port);
> + if (!current_pt || pixels_type != current_pt)
> return -EINVAL;
> - }
> }
>
> return pixels_type;
> --
> 2.7.4
>
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