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drm/nouveau: fix reference count leak in nv50_disp_atomic_commit

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[ Upstream commit a2cdf39536b0d21fb06113f5e16692513d7bcb9c ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aditya Pakki 2020-06-13 20:29:18 -05:00 • committed by Greg Kroah-Hartman
commit 19e81f6325
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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@ -2032,8 +2032,10 @@ 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)