The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 3d84515ffd8fb657e10fa5b1215e9f095fa7efca Mon Sep 17 00:00:00 2001

From: Miquel Raynal miquel.raynal@bootlin.com Date: Tue, 19 May 2020 15:00:26 +0200 Subject: [PATCH] mtd: rawnand: sunxi: Fix the probe error path

nand_release() is supposed be called after MTD device registration. Here, only nand_scan() happened, so use nand_cleanup() instead.

Fixes: 1fef62c1423b ("mtd: nand: add sunxi NAND flash controller support") Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-54-miquel.raynal@bootl...

diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 26d862213cac..9f51fd20a52e 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -2004,7 +2004,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc, ret = mtd_device_register(mtd, NULL, 0); if (ret) { dev_err(dev, "failed to register mtd device: %d\n", ret); - nand_release(nand); + nand_cleanup(nand); return ret; }