pm_runtime_get_sync() increments the runtime PM usage counter even
the call returns an error code. Thus a pairing decrement is needed
on the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_debugfs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 15a3d40edf02..db3711436577 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -181,8 +181,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
}
ret = pm_runtime_get_sync(drm->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(drm->dev);
return ret;
+ }
+
ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
pm_runtime_put_autosuspend(drm->dev);
if (ret < 0)
--
2.17.1
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