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drm/nouveau: fix reference count leak in nv50_disp_atomic_commit 

nv50_disp_atomic_commit() calls calls pm_runtime_get_sync and in turn
increments the reference count. In case of failure, decrement the
ref count before returning the error.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
zero-sugar-mainline-defconfig
Aditya Pakki 2020-06-13 20:29:18 -05:00 committed by Ben Skeggs
parent 659fb5f154
commit a2cdf39536
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/nouveau/dispnv50/disp.c
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@ -2171,8 +2171,10 @@ nv50_disp_atomic_commit(struct drm_device *dev,
int ret, i;
ret = pm_runtime_get_sync(dev->dev);
if (ret < 0 && ret != -EACCES)
if (ret < 0 && ret != -EACCES) {
pm_runtime_put_autosuspend(dev->dev);
return ret;
}
ret = drm_atomic_helper_setup_commit(state, nonblock);
if (ret)