From: Zhang Qilong zhangqilong3@huawei.com
commit 3ada71310d2c68eebb57772df6bb1f5f033ae802 upstream.
The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context.
Cc: stable@vger.kernel.org Fixes: d7d9f8ec77fe9 ("mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver") Signed-off-by: Zhang Qilong zhangqilong3@huawei.com Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20220926084456.98160-1-zhangqilong3@huawei... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mtd/nand/raw/tegra_nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/mtd/nand/raw/tegra_nand.c +++ b/drivers/mtd/nand/raw/tegra_nand.c @@ -1181,7 +1181,7 @@ static int tegra_nand_probe(struct platf pm_runtime_enable(&pdev->dev); err = pm_runtime_resume_and_get(&pdev->dev); if (err) - return err; + goto err_dis_pm;
err = reset_control_reset(rst); if (err) { @@ -1215,6 +1215,8 @@ static int tegra_nand_probe(struct platf err_put_pm: pm_runtime_put_sync_suspend(ctrl->dev); pm_runtime_force_suspend(ctrl->dev); +err_dis_pm: + pm_runtime_disable(&pdev->dev); return err; }