On Fri Jan 23, 2026 at 10:22 AM CET, Liu Ying wrote:
> Pointer bridge->driver_private in imx8qxp_ldb_bridge_destroy() is NULL
> when a LDB channel is unavailable or imx8qxp_ldb_probe() returns error,
> because ldb_add_bridge_helper() is the last function called from
> imx8qxp_ldb_probe() and it doesn't initialize bridge->driver_private if
> a LDB channel is unavailable. The NULL pointer would be set to pointer
> ldb_ch and then NULL pointer ldb_ch would be dereferenced. Fix this
> by returning early from imx8qxp_ldb_bridge_destroy() if !ldb_ch is true.
>
> Fixes: 32529d384cea ("drm/bridge: imx8qxp-ldb: convert to
> of_drm_find_and_get_bridge()")
> Signed-off-by: Liu Ying <[email protected]>
Reviewed-by: Luca Ceresoli <[email protected]>
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
