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  6. 04 Jun, 2018 1 commit
    • Sean Paul's avatar
      drm/msm: Fix NULL deref on bind/probe deferral · 74d3a3a7
      Sean Paul authored
      This patch avoids dereferencing msm_host->dev when it is NULL.
      
      If we find ourselves tearing down dsi before calling
      (mdp4|mdp5|dpu)_kms_init(), we'll end up in a state where the dev
      pointer is NULL and trying to extract priv from it will fail.
      
      This was introduced in a seemingly innocuous commit to ensure the
      arguments to msm_gem_put_iova() are correct (even though that
      function has been a stub for ~5 years). Correctness FTW! \o/
      
      Fixes: b01884a286b0 drm/msm: use correct aspace pointer in msm_gem_put_iova()
      Cc: Daniel Mack <daniel@zonque.org>
      Cc: Rob Clark <robdclark@gmail.com>
      Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
      Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
      74d3a3a7