[PATCH] media: bdisp: Fix PM disable depth imbalance in bdisp_probe

[Miaoqian Lin]

The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().

Fixes: 28ffeeb ("[media] bdisp: 2D blitter driver using v4l2 mem2mem framework")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
 drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 7d467f2ba072..ded4d026f84c 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -1396,6 +1396,8 @@ static int bdisp_probe(struct platform_device *pdev)
 err_remove:
 	bdisp_debugfs_remove(bdisp);
 	v4l2_device_unregister(&bdisp->v4l2_dev);
+disable_pm_runtime:
+	pm_runtime_disable(dev);
 err_clk:
 	if (!IS_ERR(bdisp->clock))
 		clk_unprepare(bdisp->clock);
-- 
2.17.1