In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fix refcount leak in mdp4modesetinitintf ofgraphgetremotenode() returns remote device node pointer with refcount incremented, we should use ofnodeput() on it when not need anymore. Add missing ofnode_put() to avoid refcount leak. Patchwork: https://patchwork.freedesktop.org/patch/488473/