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| author | Sean Paul <[email protected]> | 2018-05-31 18:48:58 +0000 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2018-06-04 16:50:42 +0000 |
| commit | 74d3a3a70775de356b96b5461c3a204a51496fb3 (patch) | |
| tree | 40705c1662d17f938b5a9991d3524fcd6b03f8db /drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | |
| parent | drm/msm: Switch to atomic_helper_commit() (diff) | |
| download | kernel-74d3a3a70775de356b96b5461c3a204a51496fb3.tar.gz kernel-74d3a3a70775de356b96b5461c3a204a51496fb3.zip | |
drm/msm: Fix NULL deref on bind/probe deferral
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 <[email protected]>
Cc: Rob Clark <[email protected]>
Signed-off-by: Sean Paul <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c')
0 files changed, 0 insertions, 0 deletions