This is a note to let you know that I've just added the patch titled mtd: rawnand: omap_elm: Fix runtime PM imbalance on error to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mtd-rawnand-omap_elm-fix-runtime-pm-imbalance-on-err.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2505b31a89732ddd6b624ebf9f0a8809ed5f125d Author: Dinghao Liu <dinghao.liu@xxxxxxxxxx> Date: Fri May 22 18:40:06 2020 +0800 mtd: rawnand: omap_elm: Fix runtime PM imbalance on error [ Upstream commit 37f7212148cf1d796135cdf8d0c7fee13067674b ] pm_runtime_get_sync() increments the runtime PM usage counter even when it 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> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Link: https://lore.kernel.org/linux-mtd/20200522104008.28340-1-dinghao.liu@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/mtd/nand/raw/omap_elm.c b/drivers/mtd/nand/raw/omap_elm.c index 5502ffbdd1e6d..6e0e31eab7cce 100644 --- a/drivers/mtd/nand/raw/omap_elm.c +++ b/drivers/mtd/nand/raw/omap_elm.c @@ -411,6 +411,7 @@ static int elm_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); if (pm_runtime_get_sync(&pdev->dev) < 0) { ret = -EINVAL; + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); dev_err(&pdev->dev, "can't enable clock\n"); return ret;