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| author | Navid Emamdoost <navid.emamdoost@gmail.com> | 2020-06-14 02:12:29 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-01 01:59:22 -0400 |
| commit | 9ba8923cbbe11564dd1bf9f3602add9a9cfbb5c6 (patch) | |
| tree | 4b7164d53dc68c3ad434d0af84b6fc8d40647f56 /drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | |
| parent | 6f2e8acdb48ed166b65d47837c31b177460491ec (diff) | |
| download | linux-9ba8923cbbe11564dd1bf9f3602add9a9cfbb5c6.tar.bz2 | |
drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
in amdgpu_driver_open_kms the call to pm_runtime_get_sync increments the
counter even in case of failure, leading to incorrect
ref count. In case of failure, decrement the ref count before returning.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 9c2ef5195233..4ec544783a45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -992,7 +992,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) r = pm_runtime_get_sync(dev->dev); if (r < 0) - return r; + goto pm_put; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { @@ -1043,6 +1043,7 @@ error_pasid: out_suspend: pm_runtime_mark_last_busy(dev->dev); +pm_put: pm_runtime_put_autosuspend(dev->dev); return r; |