[PATCH] drm/msm/dp: Fix double free on error in msm_dp_bridge_init()

[Dmitry Baryshkov]

On 15/12/2021 14:49, Dan Carpenter wrote:
> The "dp_bridge" pointer is allocated with devm_kzalloc() so it will be
> freed automatically.  Kfreeing it here will only lead to a double free.
> 
> Fixes: 8a3b4c17f863 ("drm/msm/dp: employ bridge mechanism for display enable and disable")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

> ---
>   drivers/gpu/drm/msm/dp/dp_drm.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
> index 188e77c59885..d4d360d19eba 100644
> --- a/drivers/gpu/drm/msm/dp/dp_drm.c
> +++ b/drivers/gpu/drm/msm/dp/dp_drm.c
> @@ -243,7 +243,6 @@ struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_devi
>   	rc = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
>   	if (rc) {
>   		DRM_ERROR("failed to attach bridge, rc=%d\n", rc);
> -		kfree(dp_bridge);
>   		return ERR_PTR(rc);
>   	}
>   
> 


-- 
With best wishes
Dmitry