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If VRAM allocation fails, the error handling path crashes in msm_drm_uninit(). The following changes are made to fix this: msm_gem_shrinker_cleanup() is fixed to unregister the shrinker only if it was init-ed in the first place. Before calling kms->funcs->destroy(), we check if kms->funcs is also non-NULL. This is needed for MDP5, since during msm_drm_int(), priv->kms becomes non-NULL early, but msm_kms_init() is called on it only later in mdp5_kms_init(). Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Andy Gross <andy.gross@linaro.org>