The patch below does not apply to the 4.14-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@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 154298e2a3f6c9ce1d76cdb48d89fd5b107ea1a3 Mon Sep 17 00:00:00 2001
From: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Date: Tue, 19 May 2020 15:00:09 +0200
Subject: [PATCH] mtd: rawnand: oxnas: 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.
While at it, be consistent and move the function call in the error
path thanks to a goto statement.
Fixes: 668592492409 ("mtd: nand: Add OX820 NAND Support")
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-37-miquel.raynal@xxxxxxxxxxx
diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c
index bead5ac70160..4fadfa118582 100644
--- a/drivers/mtd/nand/raw/oxnas_nand.c
+++ b/drivers/mtd/nand/raw/oxnas_nand.c
@@ -140,10 +140,8 @@ static int oxnas_nand_probe(struct platform_device *pdev)
goto err_release_child;
err = mtd_device_register(mtd, NULL, 0);
- if (err) {
- nand_release(chip);
- goto err_release_child;
- }
+ if (err)
+ goto err_cleanup_nand;
oxnas->chips[oxnas->nchips] = chip;
++oxnas->nchips;
@@ -159,6 +157,8 @@ static int oxnas_nand_probe(struct platform_device *pdev)
return 0;
+err_cleanup_nand:
+ nand_cleanup(chip);
err_release_child:
of_node_put(nand_np);
err_clk_unprepare:
